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Subtract 1/30 from 42/12

1st number: 3 6/12, 2nd number: 1/30

42/12 - 1/30 is 52/15.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 30 is 60
  2. For the 1st fraction, since 12 × 5 = 60,
    42/12 = 42 × 5/12 × 5 = 210/60
  3. Likewise, for the 2nd fraction, since 30 × 2 = 60,
    1/30 = 1 × 2/30 × 2 = 2/60
  4. Subtract the two fractions:
    210/60 - 2/60 = 210 - 2/60 = 208/60
  5. After reducing the fraction, the answer is 52/15
  6. In mixed form: 37/15

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