42/4 divided by 45/2
42/4 ÷ 45/2
=
7
15
Step-by-Step Solution
-
1Take reciprocal of second fraction45/2 becomes 2/45
-
2Multiply by reciprocal42/4 × 2/45
-
3Multiply numerators & denominators42 × 2 = 84 4 × 45 = 180
-
4Simplify84/180 = 7/15
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.