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Add 84/7 and 20/18

1st number: 12 0/7, 2nd number: 1 2/18

84/7 + 20/18 is 118/9.

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,
    84/7 = 84 × 18/7 × 18 = 1512/126
  3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
    20/18 = 20 × 7/18 × 7 = 140/126
  4. Add the two like fractions:
    1512/126 + 140/126 = 1512 + 140/126 = 1652/126
  5. 1652/126 simplified gives 118/9
  6. So, 84/7 + 20/18 = 118/9
    In mixed form: 131/9

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