18/2 divided by 51/4

18/2 ÷ 51/4
=
12 17
Decimal: 0.705882
Percentage: 70.59%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    51/4 becomes 4/51
  2. 2
    Multiply by reciprocal
    18/2 × 4/51
  3. 3
    Multiply numerators & denominators
    18 × 4 = 72    2 × 51 = 102
  4. 4
    Simplify
    72/102 = 12/17

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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