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Subtract 10/15 from 2/20

2/20 - 10/15 is -17/30.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 15 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 20 × 3 = 60,
    2/20 = 2 × 3/20 × 3 = 6/60
  3. Likewise, for the 2nd fraction, since 15 × 4 = 60,
    10/15 = 10 × 4/15 × 4 = 40/60
  4. Subtract the two like fractions:
    6/60 - 40/60 = 6 - 40/60 = -34/60
  5. After reducing the fraction, the answer is -17/30

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