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Subtract 15/10 from 10/28

1st number: 10/28, 2nd number: 1 5/10

10/28 - 15/10 is -8/7.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 10 is 140
  2. For the 1st fraction, since 28 × 5 = 140,
    10/28 = 10 × 5/28 × 5 = 50/140
  3. Likewise, for the 2nd fraction, since 10 × 14 = 140,
    15/10 = 15 × 14/10 × 14 = 210/140
  4. Subtract the two fractions:
    50/140 - 210/140 = 50 - 210/140 = -160/140
  5. After reducing the fraction, the answer is -8/7

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