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Subtract 70/9 from 15/12

1st number: 1 3/12, 2nd number: 7 7/9

15/12 - 70/9 is -235/36.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 9 is 36

    Next, find the equivalent fraction of both fractional numbers with denominator 36
  2. For the 1st fraction, since 12 × 3 = 36,
    15/12 = 15 × 3/12 × 3 = 45/36
  3. Likewise, for the 2nd fraction, since 9 × 4 = 36,
    70/9 = 70 × 4/9 × 4 = 280/36
  4. Subtract the two like fractions:
    45/36 - 280/36 = 45 - 280/36 = -235/36

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