13/7 divided by 21/7

13/7 ÷ 21/7
=
13 21
Decimal: 0.619048
Percentage: 61.9%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    21/7 becomes 7/21
  2. 2
    Multiply by reciprocal
    13/7 × 7/21
  3. 3
    Multiply numerators & denominators
    13 × 7 = 91    7 × 21 = 147
  4. 4
    Simplify
    91/147 = 13/21

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.

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