100/4 divided by 45/4
100/4 ÷ 45/4
=
20
9
Step-by-Step Solution
-
1Take reciprocal of second fraction45/4 becomes 4/45
-
2Multiply by reciprocal100/4 × 4/45
-
3Multiply numerators & denominators100 × 4 = 400 4 × 45 = 180
-
4Simplify400/180 = 20/9
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.