80/4 divided by 42/5

80/4 ÷ 42/5
=
50 21
Mixed Number: 2 8/21
Decimal: 2.380952
Percentage: 238.1%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    42/5 becomes 5/42
  2. 2
    Multiply by reciprocal
    80/4 × 5/42
  3. 3
    Multiply numerators & denominators
    80 × 5 = 400    4 × 42 = 168
  4. 4
    Simplify
    400/168 = 50/21

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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