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Subtract 3/15 from 42/10

1st number: 4 2/10, 2nd number: 3/15

42/10 - 3/15 is 4/1.

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,
    42/10 = 42 × 3/10 × 3 = 126/30
  3. Likewise, for the 2nd fraction, since 15 × 2 = 30,
    3/15 = 3 × 2/15 × 2 = 6/30
  4. Subtract the two fractions:
    126/30 - 6/30 = 126 - 6/30 = 120/30
  5. After reducing the fraction, the answer is 4/1

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