21/4 divided by 100/4

21/4 ÷ 100/4
=
21 100
Decimal: 0.21
Percentage: 21%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    100/4 becomes 4/100
  2. 2
    Multiply by reciprocal
    21/4 × 4/100
  3. 3
    Multiply numerators & denominators
    21 × 4 = 84    4 × 100 = 400
  4. 4
    Simplify
    84/400 = 21/100

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