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Subtract 12/10 from 15/2

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

15/2 - 12/10 is 63/10.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 10 is 10
  2. For the 1st fraction, since 2 × 5 = 10,
    15/2 = 15 × 5/2 × 5 = 75/10
  3. Likewise, for the 2nd fraction, since 10 × 1 = 10,
    12/10 = 12 × 1/10 × 1 = 12/10
  4. Subtract the two fractions:
    75/10 - 12/10 = 75 - 12/10 = 63/10
  5. In mixed form: 63/10

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