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Add 42/12 and 15/36

1st number: 3 6/12, 2nd number: 15/36

42/12 + 15/36 is 47/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 36 is 36

    Next, find the equivalent fraction of both fractional numbers with denominator 36
  2. For the 1st fraction, since 12 × 3 = 36,
    42/12 = 42 × 3/12 × 3 = 126/36
  3. Likewise, for the 2nd fraction, since 36 × 1 = 36,
    15/36 = 15 × 1/36 × 1 = 15/36
  4. Add the two like fractions:
    126/36 + 15/36 = 126 + 15/36 = 141/36
  5. 141/36 simplified gives 47/12
  6. So, 42/12 + 15/36 = 47/12
    In mixed form: 311/12

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