45/3 divided by 140/4

45/3 ÷ 140/4
=
3 7
Decimal: 0.428571
Percentage: 42.86%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    140/4 becomes 4/140
  2. 2
    Multiply by reciprocal
    45/3 × 4/140
  3. 3
    Multiply numerators & denominators
    45 × 4 = 180    3 × 140 = 420
  4. 4
    Simplify
    180/420 = 3/7

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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