21/2 divided by 12/3

21/2 ÷ 12/3
=
21 8
Mixed Number: 2 5/8
Decimal: 2.625
Percentage: 262.5%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    12/3 becomes 3/12
  2. 2
    Multiply by reciprocal
    21/2 × 3/12
  3. 3
    Multiply numerators & denominators
    21 × 3 = 63    2 × 12 = 24
  4. 4
    Simplify
    63/24 = 21/8

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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