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Add 80/7 and 84/18

1st number: 11 3/7, 2nd number: 4 12/18

80/7 + 84/18 is 338/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 18 is 126

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 7 × 18 = 126,
    80/7 = 80 × 18/7 × 18 = 1440/126
  3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
    84/18 = 84 × 7/18 × 7 = 588/126
  4. Add the two like fractions:
    1440/126 + 588/126 = 1440 + 588/126 = 2028/126
  5. 2028/126 simplified gives 338/21
  6. So, 80/7 + 84/18 = 338/21
    In mixed form: 162/21

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