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Subtract 70/15 from 28/10

1st number: 2 8/10, 2nd number: 4 10/15

28/10 - 70/15 is -28/15.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 15 is 30

    Next, find the equivalent fraction of both fractional numbers with denominator 30
  2. For the 1st fraction, since 10 × 3 = 30,
    28/10 = 28 × 3/10 × 3 = 84/30
  3. Likewise, for the 2nd fraction, since 15 × 2 = 30,
    70/15 = 70 × 2/15 × 2 = 140/30
  4. Subtract the two like fractions:
    84/30 - 140/30 = 84 - 140/30 = -56/30
  5. After reducing the fraction, the answer is -28/15

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