21/5 divided by 39/6

21/5 ÷ 39/6
=
42 65
Decimal: 0.646154
Percentage: 64.62%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    39/6 becomes 6/39
  2. 2
    Multiply by reciprocal
    21/5 × 6/39
  3. 3
    Multiply numerators & denominators
    21 × 6 = 126    5 × 39 = 195
  4. 4
    Simplify
    126/195 = 42/65

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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