28/2 divided by 21/4

28/2 ÷ 21/4
=
8 3
Mixed Number: 2 2/3
Decimal: 2.666667
Percentage: 266.67%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    21/4 becomes 4/21
  2. 2
    Multiply by reciprocal
    28/2 × 4/21
  3. 3
    Multiply numerators & denominators
    28 × 4 = 112    2 × 21 = 42
  4. 4
    Simplify
    112/42 = 8/3

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.

Try Another Calculation