9/4 divided by 4/5

9/4 ÷ 4/5
=
45 16
Mixed Number: 2 13/16
Decimal: 2.8125
Percentage: 281.25%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    4/5 becomes 5/4
  2. 2
    Multiply by reciprocal
    9/4 × 5/4
  3. 3
    Multiply numerators & denominators
    9 × 5 = 45    4 × 4 = 16
  4. 4
    Simplify
    45/16 = 45/16

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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