For fraction format, "Decimal places" is replaced by "Deniminator places"
Merge both related topics as they are linked to the same page.
Change-Id: Ic37b284e2504a989f940da1cbaf4dfbb0a5a8acc
Reviewed-on: https://gerrit.libreoffice.org/28099
Reviewed-by: Olivier Hallot <ohallot@collabora.co.uk>
Tested-by: Olivier Hallot <ohallot@collabora.co.uk>