18/4 divided by 15/5

18/4 ÷ 15/5
=
3 2
Mixed Number: 1 1/2
Decimal: 1.5
Percentage: 150%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    15/5 becomes 5/15
  2. 2
    Multiply by reciprocal
    18/4 × 5/15
  3. 3
    Multiply numerators & denominators
    18 × 5 = 90    4 × 15 = 60
  4. 4
    Simplify
    90/60 = 3/2

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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