81/3 divided by 42/4
81/3 ÷ 42/4
=
18
7
Step-by-Step Solution
-
1Take reciprocal of second fraction42/4 becomes 4/42
-
2Multiply by reciprocal81/3 × 4/42
-
3Multiply numerators & denominators81 × 4 = 324 3 × 42 = 126
-
4Simplify324/126 = 18/7
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.