21/4 divided by 9/4

21/4 ÷ 9/4
=
7 3
Mixed Number: 2 1/3
Decimal: 2.333333
Percentage: 233.33%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    9/4 becomes 4/9
  2. 2
    Multiply by reciprocal
    21/4 × 4/9
  3. 3
    Multiply numerators & denominators
    21 × 4 = 84    4 × 9 = 36
  4. 4
    Simplify
    84/36 = 7/3

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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