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Add 42/12 and 45/84

1st number: 3 6/12, 2nd number: 45/84

42/12 + 45/84 is 113/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 84 is 84
  2. For the 1st fraction, since 12 × 7 = 84,
    42/12 = 42 × 7/12 × 7 = 294/84
  3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
    45/84 = 45 × 1/84 × 1 = 45/84
  4. Add the two fractions:
    294/84 + 45/84 = 294 + 45/84 = 339/84
  5. 339/84 simplified gives 113/28
  6. So, 42/12 + 45/84 = 113/28
    In mixed form: 41/28

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