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Subtract 10/12 from 40/75

40/75 - 10/12 is -3/10.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 12 is 300

    Next, find the equivalent fraction of both fractional numbers with denominator 300
  2. For the 1st fraction, since 75 × 4 = 300,
    40/75 = 40 × 4/75 × 4 = 160/300
  3. Likewise, for the 2nd fraction, since 12 × 25 = 300,
    10/12 = 10 × 25/12 × 25 = 250/300
  4. Subtract the two like fractions:
    160/300 - 250/300 = 160 - 250/300 = -90/300
  5. After reducing the fraction, the answer is -3/10

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