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Add 1/18 and 30/80

1/18 + 30/80 is 31/72.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 80 is 720
  2. For the 1st fraction, since 18 × 40 = 720,
    1/18 = 1 × 40/18 × 40 = 40/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    30/80 = 30 × 9/80 × 9 = 270/720
  4. Add the two fractions:
    40/720 + 270/720 = 40 + 270/720 = 310/720
  5. After reducing the fraction, the answer is 31/72

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