90/3 divided by 21/6

90/3 ÷ 21/6
=
60 7
Mixed Number: 8 4/7
Decimal: 8.571429
Percentage: 857.14%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    21/6 becomes 6/21
  2. 2
    Multiply by reciprocal
    90/3 × 6/21
  3. 3
    Multiply numerators & denominators
    90 × 6 = 540    3 × 21 = 63
  4. 4
    Simplify
    540/63 = 60/7

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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