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Subtract 80/18 from 7/12

1st number: 7/12, 2nd number: 4 8/18

7/12 - 80/18 is -139/36.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 18 is 36

    Next, find the equivalent fraction of both fractional numbers with denominator 36
  2. For the 1st fraction, since 12 × 3 = 36,
    7/12 = 7 × 3/12 × 3 = 21/36
  3. Likewise, for the 2nd fraction, since 18 × 2 = 36,
    80/18 = 80 × 2/18 × 2 = 160/36
  4. Subtract the two like fractions:
    21/36 - 160/36 = 21 - 160/36 = -139/36

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