9/3 divided by 12/4

9/3 ÷ 12/4
=
1
Decimal: 1
Percentage: 100%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    12/4 becomes 4/12
  2. 2
    Multiply by reciprocal
    9/3 × 4/12
  3. 3
    Multiply numerators & denominators
    9 × 4 = 36    3 × 12 = 36
  4. 4
    Simplify
    36/36 = 1/1

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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