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Add 12/80 and 4/18

12/80 + 4/18 is 67/180.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 18 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 80 × 9 = 720,
    12/80 = 12 × 9/80 × 9 = 108/720
  3. Likewise, for the 2nd fraction, since 18 × 40 = 720,
    4/18 = 4 × 40/18 × 40 = 160/720
  4. Add the two like fractions:
    108/720 + 160/720 = 108 + 160/720 = 268/720
  5. 268/720 simplified gives 67/180
  6. So, 12/80 + 4/18 = 67/180

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