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Subtract 70/12 from 20/75

1st number: 20/75, 2nd number: 5 10/12

20/75 - 70/12 is -167/30.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 12 is 300
  2. For the 1st fraction, since 75 × 4 = 300,
    20/75 = 20 × 4/75 × 4 = 80/300
  3. Likewise, for the 2nd fraction, since 12 × 25 = 300,
    70/12 = 70 × 25/12 × 25 = 1750/300
  4. Subtract the two fractions:
    80/300 - 1750/300 = 80 - 1750/300 = -1670/300
  5. After reducing the fraction, the answer is -167/30

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