180/4 divided by 210/2

180/4 ÷ 210/2
=
3 7
Decimal: 0.428571
Percentage: 42.86%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    210/2 becomes 2/210
  2. 2
    Multiply by reciprocal
    180/4 × 2/210
  3. 3
    Multiply numerators & denominators
    180 × 2 = 360    4 × 210 = 840
  4. 4
    Simplify
    360/840 = 3/7

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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