21/5 divided by 8/3

21/5 ÷ 8/3
=
63 40
Mixed Number: 1 23/40
Decimal: 1.575
Percentage: 157.5%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    8/3 becomes 3/8
  2. 2
    Multiply by reciprocal
    21/5 × 3/8
  3. 3
    Multiply numerators & denominators
    21 × 3 = 63    5 × 8 = 40
  4. 4
    Simplify
    63/40 = 63/40

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.

Try Another Calculation