100/3 divided by 210/4

100/3 ÷ 210/4
=
40 63
Decimal: 0.634921
Percentage: 63.49%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    210/4 becomes 4/210
  2. 2
    Multiply by reciprocal
    100/3 × 4/210
  3. 3
    Multiply numerators & denominators
    100 × 4 = 400    3 × 210 = 630
  4. 4
    Simplify
    400/630 = 40/63

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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