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Subtract 70/18 from 12/25

1st number: 12/25, 2nd number: 3 16/18

12/25 - 70/18 is -767/225.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 18 is 450

    Next, find the equivalent fraction of both fractional numbers with denominator 450
  2. For the 1st fraction, since 25 × 18 = 450,
    12/25 = 12 × 18/25 × 18 = 216/450
  3. Likewise, for the 2nd fraction, since 18 × 25 = 450,
    70/18 = 70 × 25/18 × 25 = 1750/450
  4. Subtract the two like fractions:
    216/450 - 1750/450 = 216 - 1750/450 = -1534/450
  5. After reducing the fraction, the answer is -767/225

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