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Add 1/7 and 3/18

1/7 + 3/18 is 13/42.

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,
    1/7 = 1 × 18/7 × 18 = 18/126
  3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
    3/18 = 3 × 7/18 × 7 = 21/126
  4. Add the two fractions:
    18/126 + 21/126 = 18 + 21/126 = 39/126
  5. After reducing the fraction, the answer is 13/42

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