25/2 divided by 21/4
25/2 ÷ 21/4
=
50
21
Step-by-Step Solution
-
1Take reciprocal of second fraction21/4 becomes 4/21
-
2Multiply by reciprocal25/2 × 4/21
-
3Multiply numerators & denominators25 × 4 = 100 2 × 21 = 42
-
4Simplify100/42 = 50/21
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.