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Add 5/7 and 8/18

5/7 + 8/18 is 73/63.

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,
    8/18 = 8 × 7/18 × 7 = 56/126
  4. Add the two like fractions:
    90/126 + 56/126 = 90 + 56/126 = 146/126
  5. 146/126 simplified gives 73/63
  6. So, 5/7 + 8/18 = 73/63
    In mixed form: 110/63

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