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Subtract 15/6 from 42/15

1st number: 2 12/15, 2nd number: 2 3/6

42/15 - 15/6 is 3/10.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 6 is 30
  2. For the 1st fraction, since 15 × 2 = 30,
    42/15 = 42 × 2/15 × 2 = 84/30
  3. Likewise, for the 2nd fraction, since 6 × 5 = 30,
    15/6 = 15 × 5/6 × 5 = 75/30
  4. Subtract the two fractions:
    84/30 - 75/30 = 84 - 75/30 = 9/30
  5. After reducing the fraction, the answer is 3/10

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