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Add 42/15 and 48/12

1st number: 2 12/15, 2nd number: 4 0/12

42/15 + 48/12 is 34/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 12 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 15 × 4 = 60,
    42/15 = 42 × 4/15 × 4 = 168/60
  3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
    48/12 = 48 × 5/12 × 5 = 240/60
  4. Add the two like fractions:
    168/60 + 240/60 = 168 + 240/60 = 408/60
  5. 408/60 simplified gives 34/5
  6. So, 42/15 + 48/12 = 34/5
    In mixed form: 64/5

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