5.NF.7:
Number And Operations - Fractions
Apply And Extend Previous Understandings Of Multiplication And Division To Multiply And Divide Fractions.
Apply and extend previous understandings of division to divide unit fractions by whole numbers and whole numbers by unit fractions.1
4.NF.3a:
Number And Operations - Fractions
Build Fractions From Unit Fractions By Applying And Extending Previous Understandings Of Operations On Whole Numbers.
Understand addition and subtraction of fractions as joining and separating parts referring to the same whole.
