72/4 divided by 81/5
72/4 ÷ 81/5
=
10
9
Step-by-Step Solution
-
1Take reciprocal of second fraction81/5 becomes 5/81
-
2Multiply by reciprocal72/4 × 5/81
-
3Multiply numerators & denominators72 × 5 = 360 4 × 81 = 324
-
4Simplify360/324 = 10/9
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.