17/4 divided by 21/4

17/4 ÷ 21/4
=
17 21
Decimal: 0.809524
Percentage: 80.95%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    21/4 becomes 4/21
  2. 2
    Multiply by reciprocal
    17/4 × 4/21
  3. 3
    Multiply numerators & denominators
    17 × 4 = 68    4 × 21 = 84
  4. 4
    Simplify
    68/84 = 17/21

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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