84/4 divided by 40/4
84/4 ÷ 40/4
=
21
10
Step-by-Step Solution
-
1Take reciprocal of second fraction40/4 becomes 4/40
-
2Multiply by reciprocal84/4 × 4/40
-
3Multiply numerators & denominators84 × 4 = 336 4 × 40 = 160
-
4Simplify336/160 = 21/10
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.