321/4 divided by 210/2

321/4 ÷ 210/2
=
107 140
Decimal: 0.764286
Percentage: 76.43%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    210/2 becomes 2/210
  2. 2
    Multiply by reciprocal
    321/4 × 2/210
  3. 3
    Multiply numerators & denominators
    321 × 2 = 642    4 × 210 = 840
  4. 4
    Simplify
    642/840 = 107/140

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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