51/2 divided by 140/4

51/2 ÷ 140/4
=
51 70
Decimal: 0.728571
Percentage: 72.86%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    140/4 becomes 4/140
  2. 2
    Multiply by reciprocal
    51/2 × 4/140
  3. 3
    Multiply numerators & denominators
    51 × 4 = 204    2 × 140 = 280
  4. 4
    Simplify
    204/280 = 51/70

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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