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Add 12/4 and 42/8

1st number: 3 0/4, 2nd number: 5 2/8

12/4 + 42/8 is 33/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 8 is 8
  2. For the 1st fraction, since 4 × 2 = 8,
    12/4 = 12 × 2/4 × 2 = 24/8
  3. Likewise, for the 2nd fraction, since 8 × 1 = 8,
    42/8 = 42 × 1/8 × 1 = 42/8
  4. Add the two fractions:
    24/8 + 42/8 = 24 + 42/8 = 66/8
  5. After reducing the fraction, the answer is 33/4
  6. In mixed form: 81/4

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