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Add 12/18 and 1/7

12/18 + 1/7 is 17/21.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 18 × 7 = 126,
    12/18 = 12 × 7/18 × 7 = 84/126
  3. Likewise, for the 2nd fraction, since 7 × 18 = 126,
    1/7 = 1 × 18/7 × 18 = 18/126
  4. Add the two like fractions:
    84/126 + 18/126 = 84 + 18/126 = 102/126
  5. 102/126 simplified gives 17/21
  6. So, 12/18 + 1/7 = 17/21

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