18/3 divided by 90/4
18/3 ÷ 90/4
=
4
15
Step-by-Step Solution
-
1Take reciprocal of second fraction90/4 becomes 4/90
-
2Multiply by reciprocal18/3 × 4/90
-
3Multiply numerators & denominators18 × 4 = 72 3 × 90 = 270
-
4Simplify72/270 = 4/15
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.