162/2 divided by 90/4
162/2 ÷ 90/4
=
18
5
Step-by-Step Solution
-
1Take reciprocal of second fraction90/4 becomes 4/90
-
2Multiply by reciprocal162/2 × 4/90
-
3Multiply numerators & denominators162 × 4 = 648 2 × 90 = 180
-
4Simplify648/180 = 18/5
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.