21/7 divided by 57/7

21/7 ÷ 57/7
=
7 19
Decimal: 0.368421
Percentage: 36.84%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    57/7 becomes 7/57
  2. 2
    Multiply by reciprocal
    21/7 × 7/57
  3. 3
    Multiply numerators & denominators
    21 × 7 = 147    7 × 57 = 399
  4. 4
    Simplify
    147/399 = 7/19

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.

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