21/3 divided by 90/5

21/3 ÷ 90/5
=
7 18
Decimal: 0.388889
Percentage: 38.89%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    90/5 becomes 5/90
  2. 2
    Multiply by reciprocal
    21/3 × 5/90
  3. 3
    Multiply numerators & denominators
    21 × 5 = 105    3 × 90 = 270
  4. 4
    Simplify
    105/270 = 7/18

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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