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Subtract 1/12 from 30/20

1st number: 1 10/20, 2nd number: 1/12

30/20 - 1/12 is 17/12.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 12 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 20 × 3 = 60,
    30/20 = 30 × 3/20 × 3 = 90/60
  3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
    1/12 = 1 × 5/12 × 5 = 5/60
  4. Subtract the two like fractions:
    90/60 - 5/60 = 90 - 5/60 = 85/60
  5. After reducing the fraction, the answer is 17/12
  6. In mixed form: 15/12

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