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Subtract 70/15 from 28/16

1st number: 1 12/16, 2nd number: 4 10/15

28/16 - 70/15 is -35/12.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 15 is 240

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 16 × 15 = 240,
    28/16 = 28 × 15/16 × 15 = 420/240
  3. Likewise, for the 2nd fraction, since 15 × 16 = 240,
    70/15 = 70 × 16/15 × 16 = 1120/240
  4. Subtract the two like fractions:
    420/240 - 1120/240 = 420 - 1120/240 = -700/240
  5. After reducing the fraction, the answer is -35/12

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