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Subtract 8/7 from 15/10

1st number: 1 5/10, 2nd number: 1 1/7

15/10 - 8/7 is 5/14.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 7 is 70
  2. For the 1st fraction, since 10 × 7 = 70,
    15/10 = 15 × 7/10 × 7 = 105/70
  3. Likewise, for the 2nd fraction, since 7 × 10 = 70,
    8/7 = 8 × 10/7 × 10 = 80/70
  4. Subtract the two fractions:
    105/70 - 80/70 = 105 - 80/70 = 25/70
  5. After reducing the fraction, the answer is 5/14

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