diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/util/TypeCoercionUtils.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/util/TypeCoercionUtils.java
index 5c776b00ac..c3548d0eaa 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/util/TypeCoercionUtils.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/util/TypeCoercionUtils.java
@@ -143,6 +143,10 @@ public class TypeCoercionUtils {
         if (leftType instanceof NullType && rightType instanceof DecimalType) {
             return true;
         }
+        if (leftType instanceof DecimalType && rightType instanceof IntegralType
+                || leftType instanceof IntegralType && rightType instanceof DecimalType) {
+            return true;
+        }
         // TODO: add decimal promotion support
         if (!(leftType instanceof DecimalType) && !(rightType instanceof DecimalType) && !leftType.equals(rightType)) {
             return true;
@@ -189,6 +193,10 @@ public class TypeCoercionUtils {
             }
         } else if (left instanceof CharacterType || right instanceof CharacterType) {
             tightestCommonType = StringType.INSTANCE;
+        } else if (left instanceof DecimalType && right instanceof IntegralType) {
+            tightestCommonType = DecimalType.widerDecimalType((DecimalType) left, DecimalType.forType(right));
+        } else if (left instanceof IntegralType && right instanceof DecimalType) {
+            tightestCommonType = DecimalType.widerDecimalType((DecimalType) right, DecimalType.forType(left));
         }
         return Optional.ofNullable(tightestCommonType);
     }
diff --git a/fe/fe-core/src/test/java/org/apache/doris/nereids/rules/expression/rewrite/TypeCoercionTest.java b/fe/fe-core/src/test/java/org/apache/doris/nereids/rules/expression/rewrite/TypeCoercionTest.java
index a4358d56aa..155637ec8c 100644
--- a/fe/fe-core/src/test/java/org/apache/doris/nereids/rules/expression/rewrite/TypeCoercionTest.java
+++ b/fe/fe-core/src/test/java/org/apache/doris/nereids/rules/expression/rewrite/TypeCoercionTest.java
@@ -24,6 +24,7 @@ import org.apache.doris.nereids.trees.expressions.Cast;
 import org.apache.doris.nereids.trees.expressions.Divide;
 import org.apache.doris.nereids.trees.expressions.Expression;
 import org.apache.doris.nereids.trees.expressions.InPredicate;
+import org.apache.doris.nereids.trees.expressions.LessThanEqual;
 import org.apache.doris.nereids.trees.expressions.WhenClause;
 import org.apache.doris.nereids.trees.expressions.functions.Avg;
 import org.apache.doris.nereids.trees.expressions.functions.Substring;
@@ -32,20 +33,25 @@ import org.apache.doris.nereids.trees.expressions.functions.Year;
 import org.apache.doris.nereids.trees.expressions.literal.BigIntLiteral;
 import org.apache.doris.nereids.trees.expressions.literal.BooleanLiteral;
 import org.apache.doris.nereids.trees.expressions.literal.DateLiteral;
+import org.apache.doris.nereids.trees.expressions.literal.DecimalLiteral;
 import org.apache.doris.nereids.trees.expressions.literal.DoubleLiteral;
 import org.apache.doris.nereids.trees.expressions.literal.IntegerLiteral;
 import org.apache.doris.nereids.trees.expressions.literal.SmallIntLiteral;
 import org.apache.doris.nereids.trees.expressions.literal.StringLiteral;
+import org.apache.doris.nereids.trees.expressions.literal.TinyIntLiteral;
 import org.apache.doris.nereids.types.BigIntType;
+import org.apache.doris.nereids.types.DecimalType;
 import org.apache.doris.nereids.types.DoubleType;
 import org.apache.doris.nereids.types.IntegerType;
 import org.apache.doris.nereids.types.StringType;
+import org.apache.doris.nereids.types.TinyIntType;
 
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.Lists;
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Test;
 
+import java.math.BigDecimal;
 import java.util.List;
 
 public class TypeCoercionTest {
@@ -103,6 +109,35 @@ public class TypeCoercionTest {
         assertRewrite(expected, expression);
     }
 
+    @Test
+    public void testBinaryPredicate() {
+        Expression left = new DecimalLiteral(new BigDecimal(2.4));
+        Expression right = new TinyIntLiteral((byte) 2);
+        Expression lessThanEq = new LessThanEqual(left, right);
+        Expression rewrittenPred =
+                new LessThanEqual(
+                        left,
+                        new Cast(right, left.getDataType()));
+        assertRewrite(rewrittenPred, lessThanEq);
+
+        rewrittenPred =
+                new LessThanEqual(
+                        new Cast(right, left.getDataType()),
+                        left
+                        );
+        lessThanEq = new LessThanEqual(right, left);
+        assertRewrite(rewrittenPred, lessThanEq);
+
+        left = new DecimalLiteral(new BigDecimal(1));
+        lessThanEq = new LessThanEqual(left, right);
+        rewrittenPred =
+                new LessThanEqual(
+                        new Cast(left, DecimalType.forType(TinyIntType.INSTANCE)),
+                        new Cast(right, DecimalType.forType(TinyIntType.INSTANCE))
+                );
+        assertRewrite(rewrittenPred, lessThanEq);
+    }
+
     @Test
     public void testCaseWhenTypeCoercion() {
         WhenClause actualWhenClause1 = new WhenClause(new BooleanLiteral(true), new SmallIntLiteral((short) 1));
diff --git a/fe/fe-core/src/test/java/org/apache/doris/nereids/util/TypeCoercionUtilsTest.java b/fe/fe-core/src/test/java/org/apache/doris/nereids/util/TypeCoercionUtilsTest.java
index 92613e4b86..74a864d3af 100644
--- a/fe/fe-core/src/test/java/org/apache/doris/nereids/util/TypeCoercionUtilsTest.java
+++ b/fe/fe-core/src/test/java/org/apache/doris/nereids/util/TypeCoercionUtilsTest.java
@@ -110,8 +110,8 @@ public class TypeCoercionUtilsTest {
         Assertions.assertTrue(TypeCoercionUtils.canHandleTypeCoercion(decimalType, nullType));
         Assertions.assertTrue(TypeCoercionUtils.canHandleTypeCoercion(nullType, decimalType));
         Assertions.assertTrue(TypeCoercionUtils.canHandleTypeCoercion(smallIntType, integerType));
-        Assertions.assertFalse(TypeCoercionUtils.canHandleTypeCoercion(integerType, decimalType));
-        Assertions.assertFalse(TypeCoercionUtils.canHandleTypeCoercion(decimalType, integerType));
+        Assertions.assertTrue(TypeCoercionUtils.canHandleTypeCoercion(integerType, decimalType));
+        Assertions.assertTrue(TypeCoercionUtils.canHandleTypeCoercion(decimalType, integerType));
         Assertions.assertFalse(TypeCoercionUtils.canHandleTypeCoercion(integerType, integerType));
     }