15/5 divided by 12/3

15/5 ÷ 12/3
=
3 4
Decimal: 0.75
Percentage: 75%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    12/3 becomes 3/12
  2. 2
    Multiply by reciprocal
    15/5 × 3/12
  3. 3
    Multiply numerators & denominators
    15 × 3 = 45    5 × 12 = 60
  4. 4
    Simplify
    45/60 = 3/4

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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