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Add 45/12 and 8/42

1st number: 3 9/12, 2nd number: 8/42

45/12 + 8/42 is 331/84.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 42 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 12 × 7 = 84,
    45/12 = 45 × 7/12 × 7 = 315/84
  3. Likewise, for the 2nd fraction, since 42 × 2 = 84,
    8/42 = 8 × 2/42 × 2 = 16/84
  4. Add the two like fractions:
    315/84 + 16/84 = 315 + 16/84 = 331/84
  5. So, 45/12 + 8/42 = 331/84
    In mixed form: 379/84

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