21/3 divided by 15/5

21/3 ÷ 15/5
=
7 3
Mixed Number: 2 1/3
Decimal: 2.333333
Percentage: 233.33%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    15/5 becomes 5/15
  2. 2
    Multiply by reciprocal
    21/3 × 5/15
  3. 3
    Multiply numerators & denominators
    21 × 5 = 105    3 × 15 = 45
  4. 4
    Simplify
    105/45 = 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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