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Subtract 2/30 from 42/12

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

42/12 - 2/30 is 103/30.

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,
    2/30 = 2 × 2/30 × 2 = 4/60
  4. Subtract the two fractions:
    210/60 - 4/60 = 210 - 4/60 = 206/60
  5. After reducing the fraction, the answer is 103/30
  6. In mixed form: 313/30

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