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Add 84/42 and 45/84

1st number: 2 0/42, 2nd number: 45/84

84/42 + 45/84 is 71/28.

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,
    45/84 = 45 × 1/84 × 1 = 45/84
  4. Add the two fractions:
    168/84 + 45/84 = 168 + 45/84 = 213/84
  5. 213/84 simplified gives 71/28
  6. So, 84/42 + 45/84 = 71/28
    In mixed form: 215/28

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