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Add 12/42 and 45/12

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

12/42 + 45/12 is 113/28.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 42 × 2 = 84,
    12/42 = 12 × 2/42 × 2 = 24/84
  3. Likewise, for the 2nd fraction, since 12 × 7 = 84,
    45/12 = 45 × 7/12 × 7 = 315/84
  4. Add the two like fractions:
    24/84 + 315/84 = 24 + 315/84 = 339/84
  5. 339/84 simplified gives 113/28
  6. So, 12/42 + 45/12 = 113/28
    In mixed form: 41/28

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