21/2 times 40/4

21/2 × 40/4
=
105
Decimal: 105
Percentage: 10500%

Step-by-Step Solution

  1. 1
    Multiply numerators
    21 × 40 = 840
  2. 2
    Multiply denominators
    2 × 4 = 8
  3. 3
    Write result
    840/8
  4. 4
    Simplify
    840/8 = 105/1

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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