21/3 divided by 39/4

21/3 ÷ 39/4
=
28 39
Decimal: 0.717949
Percentage: 71.79%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    39/4 becomes 4/39
  2. 2
    Multiply by reciprocal
    21/3 × 4/39
  3. 3
    Multiply numerators & denominators
    21 × 4 = 84    3 × 39 = 117
  4. 4
    Simplify
    84/117 = 28/39

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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