90/4 divided by 42/4
90/4 ÷ 42/4
=
15
7
Step-by-Step Solution
-
1Take reciprocal of second fraction42/4 becomes 4/42
-
2Multiply by reciprocal90/4 × 4/42
-
3Multiply numerators & denominators90 × 4 = 360 4 × 42 = 168
-
4Simplify360/168 = 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.