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Add 5/7 and 7/18

5/7 + 7/18 is 139/126.

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,
    5/7 = 5 × 18/7 × 18 = 90/126
  3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
    7/18 = 7 × 7/18 × 7 = 49/126
  4. Add the two like fractions:
    90/126 + 49/126 = 90 + 49/126 = 139/126
  5. So, 5/7 + 7/18 = 139/126
    In mixed form: 113/126

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