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Add 18/12 and 42/8

1st number: 1 6/12, 2nd number: 5 2/8

18/12 + 42/8 is 27/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 8 is 24
  2. For the 1st fraction, since 12 × 2 = 24,
    18/12 = 18 × 2/12 × 2 = 36/24
  3. Likewise, for the 2nd fraction, since 8 × 3 = 24,
    42/8 = 42 × 3/8 × 3 = 126/24
  4. Add the two fractions:
    36/24 + 126/24 = 36 + 126/24 = 162/24
  5. After reducing the fraction, the answer is 27/4
  6. In mixed form: 63/4

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