154/2 divided by 80/4

154/2 ÷ 80/4
=
77 20
Mixed Number: 3 17/20
Decimal: 3.85
Percentage: 385%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    80/4 becomes 4/80
  2. 2
    Multiply by reciprocal
    154/2 × 4/80
  3. 3
    Multiply numerators & denominators
    154 × 4 = 616    2 × 80 = 160
  4. 4
    Simplify
    616/160 = 77/20

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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