12/3 times 21/5

12/3 × 21/5
=
84 5
Mixed Number: 16 4/5
Decimal: 16.8
Percentage: 1680%

Step-by-Step Solution

  1. 1
    Multiply numerators
    12 × 21 = 252
  2. 2
    Multiply denominators
    3 × 5 = 15
  3. 3
    Write result
    252/15
  4. 4
    Simplify
    252/15 = 84/5

How to Multiply Fractions

Multiplying fractions is straightforward — multiply the numerators together and the denominators together. No common denominator needed! Just simplify the result.

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