105/2 divided by 100/4

105/2 ÷ 100/4
=
21 10
Mixed Number: 2 1/10
Decimal: 2.1
Percentage: 210%

Step-by-Step Solution

  1. 1
    Take reciprocal of second fraction
    100/4 becomes 4/100
  2. 2
    Multiply by reciprocal
    105/2 × 4/100
  3. 3
    Multiply numerators & denominators
    105 × 4 = 420    2 × 100 = 200
  4. 4
    Simplify
    420/200 = 21/10

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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