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Subtract 3/12 from 2/10

2/10 - 3/12 is -1/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 12 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 10 × 6 = 60,
    2/10 = 2 × 6/10 × 6 = 12/60
  3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
    3/12 = 3 × 5/12 × 5 = 15/60
  4. Subtract the two like fractions:
    12/60 - 15/60 = 12 - 15/60 = -3/60
  5. After reducing the fraction, the answer is -1/20

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