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Add 84/28 and 90/7

1st number: 3 0/28, 2nd number: 12 6/7

84/28 + 90/7 is 111/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 7 is 28
  2. For the 1st fraction, since 28 × 1 = 28,
    84/28 = 84 × 1/28 × 1 = 84/28
  3. Likewise, for the 2nd fraction, since 7 × 4 = 28,
    90/7 = 90 × 4/7 × 4 = 360/28
  4. Add the two fractions:
    84/28 + 360/28 = 84 + 360/28 = 444/28
  5. After reducing the fraction, the answer is 111/7
  6. In mixed form: 156/7

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