5th Grade · Number & Operations—Fractions
Multiply Fractions
5.NF.B.4a
Definition
To find the product by multiplying numerators together and multiplying denominators together.
Examples
- 2/3 x 3/4 = 6/12.
- 1/2 x 2/5 = 2/10.
Key rule
Multiply the numerators, then multiply the denominators.
Memory hook
Straight across — tops times tops, bottoms times bottoms.