15/3 divided by 31/4

15/3 ÷ 31/4
=
20 31
Decimal: 0.645161
Percentage: 64.52%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    31/4 becomes 4/31
  2. 2
    Multiply by reciprocal
    15/3 × 4/31
  3. 3
    Multiply numerators & denominators
    15 × 4 = 60    3 × 31 = 93
  4. 4
    Simplify
    60/93 = 20/31

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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