12/3 divided by 30/4

12/3 ÷ 30/4
=
8 15
Decimal: 0.533333
Percentage: 53.33%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    30/4 becomes 4/30
  2. 2
    Multiply by reciprocal
    12/3 × 4/30
  3. 3
    Multiply numerators & denominators
    12 × 4 = 48    3 × 30 = 90
  4. 4
    Simplify
    48/90 = 8/15

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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