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Subtract 12/15 from 15/10

1st number: 1 5/10, 2nd number: 12/15

15/10 - 12/15 is 7/10.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 15 is 30
  2. For the 1st fraction, since 10 × 3 = 30,
    15/10 = 15 × 3/10 × 3 = 45/30
  3. Likewise, for the 2nd fraction, since 15 × 2 = 30,
    12/15 = 12 × 2/15 × 2 = 24/30
  4. Subtract the two fractions:
    45/30 - 24/30 = 45 - 24/30 = 21/30
  5. After reducing the fraction, the answer is 7/10

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