101/2 divided by 81/4
101/2 ÷ 81/4
=
202
81
Step-by-Step Solution
-
1Take reciprocal of second fraction81/4 becomes 4/81
-
2Multiply by reciprocal101/2 × 4/81
-
3Multiply numerators & denominators101 × 4 = 404 2 × 81 = 162
-
4Simplify404/162 = 202/81
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.