80/4 divided by 45/4
80/4 ÷ 45/4
=
16
9
Step-by-Step Solution
-
1Take reciprocal of second fraction45/4 becomes 4/45
-
2Multiply by reciprocal80/4 × 4/45
-
3Multiply numerators & denominators80 × 4 = 320 4 × 45 = 180
-
4Simplify320/180 = 16/9
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.