21/4 divided by 16/5

21/4 ÷ 16/5
=
105 64
Mixed Number: 1 41/64
Decimal: 1.640625
Percentage: 164.06%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    16/5 becomes 5/16
  2. 2
    Multiply by reciprocal
    21/4 × 5/16
  3. 3
    Multiply numerators & denominators
    21 × 5 = 105    4 × 16 = 64
  4. 4
    Simplify
    105/64 = 105/64

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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