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Add 90/7 and 49/18

1st number: 12 6/7, 2nd number: 2 13/18

90/7 + 49/18 is 1963/126.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 18 is 126
  2. For the 1st fraction, since 7 × 18 = 126,
    90/7 = 90 × 18/7 × 18 = 1620/126
  3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
    49/18 = 49 × 7/18 × 7 = 343/126
  4. Add the two fractions:
    1620/126 + 343/126 = 1620 + 343/126 = 1963/126
  5. In mixed form: 1573/126

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