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Add 42/10 and 3/12

1st number: 4 2/10, 2nd number: 3/12

42/10 + 3/12 is 89/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 12 is 60
  2. For the 1st fraction, since 10 × 6 = 60,
    42/10 = 42 × 6/10 × 6 = 252/60
  3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
    3/12 = 3 × 5/12 × 5 = 15/60
  4. Add the two fractions:
    252/60 + 15/60 = 252 + 15/60 = 267/60
  5. After reducing the fraction, the answer is 89/20
  6. In mixed form: 49/20

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