200/4 divided by 210/2
200/4 ÷ 210/2
=
10
21
Step-by-Step Solution
-
1Take reciprocal of second fraction210/2 becomes 2/210
-
2Multiply by reciprocal200/4 × 2/210
-
3Multiply numerators & denominators200 × 2 = 400 4 × 210 = 840
-
4Simplify400/840 = 10/21
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.