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Subtract 2/10 from 15/12

1st number: 1 3/12, 2nd number: 2/10

15/12 - 2/10 is 21/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 10 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 12 × 5 = 60,
    15/12 = 15 × 5/12 × 5 = 75/60
  3. Likewise, for the 2nd fraction, since 10 × 6 = 60,
    2/10 = 2 × 6/10 × 6 = 12/60
  4. Subtract the two like fractions:
    75/60 - 12/60 = 75 - 12/60 = 63/60
  5. After reducing the fraction, the answer is 21/20
  6. In mixed form: 11/20

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