36/4 divided by 21/5
36/4 ÷ 21/5
=
15
7
Step-by-Step Solution
-
1Take reciprocal of second fraction21/5 becomes 5/21
-
2Multiply by reciprocal36/4 × 5/21
-
3Multiply numerators & denominators36 × 5 = 180 4 × 21 = 84
-
4Simplify180/84 = 15/7
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.