78/2 divided by 21/3

78/2 ÷ 21/3
=
39 7
Mixed Number: 5 4/7
Decimal: 5.571429
Percentage: 557.14%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    21/3 becomes 3/21
  2. 2
    Multiply by reciprocal
    78/2 × 3/21
  3. 3
    Multiply numerators & denominators
    78 × 3 = 234    2 × 21 = 42
  4. 4
    Simplify
    234/42 = 39/7

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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