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Subtract 20/8 from 20/12

1st number: 1 8/12, 2nd number: 2 4/8

20/12 - 20/8 is -5/6.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 8 is 24

    Next, find the equivalent fraction of both fractional numbers with denominator 24
  2. For the 1st fraction, since 12 × 2 = 24,
    20/12 = 20 × 2/12 × 2 = 40/24
  3. Likewise, for the 2nd fraction, since 8 × 3 = 24,
    20/8 = 20 × 3/8 × 3 = 60/24
  4. Subtract the two like fractions:
    40/24 - 60/24 = 40 - 60/24 = -20/24
  5. After reducing the fraction, the answer is -5/6

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