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Subtract 4/12 from 15/75

15/75 - 4/12 is -2/15.

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,
    15/75 = 15 × 4/75 × 4 = 60/300
  3. Likewise, for the 2nd fraction, since 12 × 25 = 300,
    4/12 = 4 × 25/12 × 25 = 100/300
  4. Subtract the two like fractions:
    60/300 - 100/300 = 60 - 100/300 = -40/300
  5. After reducing the fraction, the answer is -2/15

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