21/3 divided by 15/4

21/3 ÷ 15/4
=
28 15
Mixed Number: 1 13/15
Decimal: 1.866667
Percentage: 186.67%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    15/4 becomes 4/15
  2. 2
    Multiply by reciprocal
    21/3 × 4/15
  3. 3
    Multiply numerators & denominators
    21 × 4 = 84    3 × 15 = 45
  4. 4
    Simplify
    84/45 = 28/15

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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