51/4 divided by 40/2

51/4 ÷ 40/2
=
51 80
Decimal: 0.6375
Percentage: 63.75%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    40/2 becomes 2/40
  2. 2
    Multiply by reciprocal
    51/4 × 2/40
  3. 3
    Multiply numerators & denominators
    51 × 2 = 102    4 × 40 = 160
  4. 4
    Simplify
    102/160 = 51/80

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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