12/4 divided by 45/5

12/4 ÷ 45/5
=
1 3
Decimal: 0.333333
Percentage: 33.33%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    45/5 becomes 5/45
  2. 2
    Multiply by reciprocal
    12/4 × 5/45
  3. 3
    Multiply numerators & denominators
    12 × 5 = 60    4 × 45 = 180
  4. 4
    Simplify
    60/180 = 1/3

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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