64/4 divided by 21/4
64/4 ÷ 21/4
=
64
21
Step-by-Step Solution
-
1Take reciprocal of second fraction21/4 becomes 4/21
-
2Multiply by reciprocal64/4 × 4/21
-
3Multiply numerators & denominators64 × 4 = 256 4 × 21 = 84
-
4Simplify256/84 = 64/21
How to Divide Fractions
To divide fractions, use "Keep, Change, Flip": keep the first fraction unchanged, change the ÷ to ×, then flip the second fraction. Multiply and simplify.