15/7 times 21/7

15/7 × 21/7
=
45 7
Mixed Number: 6 3/7
Decimal: 6.428571
Percentage: 642.86%

Step-by-Step Solution

  1. 1
    Multiply numerators
    15 × 21 = 315
  2. 2
    Multiply denominators
    7 × 7 = 49
  3. 3
    Write result
    315/49
  4. 4
    Simplify
    315/49 = 45/7

How to Multiply Fractions

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

Try Another Calculation