21/5 divided by 28/6

21/5 ÷ 28/6
=
9 10
Decimal: 0.9
Percentage: 90%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    28/6 becomes 6/28
  2. 2
    Multiply by reciprocal
    21/5 × 6/28
  3. 3
    Multiply numerators & denominators
    21 × 6 = 126    5 × 28 = 140
  4. 4
    Simplify
    126/140 = 9/10

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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