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Add 84/42 and 15/84

1st number: 2 0/42, 2nd number: 15/84

84/42 + 15/84 is 61/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 84 is 84
  2. For the 1st fraction, since 42 × 2 = 84,
    84/42 = 84 × 2/42 × 2 = 168/84
  3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
    15/84 = 15 × 1/84 × 1 = 15/84
  4. Add the two fractions:
    168/84 + 15/84 = 168 + 15/84 = 183/84
  5. 183/84 simplified gives 61/28
  6. So, 84/42 + 15/84 = 61/28
    In mixed form: 25/28

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