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Add 7/18 and 49/80

7/18 + 49/80 is 721/720.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 18 × 40 = 720,
    7/18 = 7 × 40/18 × 40 = 280/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    49/80 = 49 × 9/80 × 9 = 441/720
  4. Add the two like fractions:
    280/720 + 441/720 = 280 + 441/720 = 721/720
  5. So, 7/18 + 49/80 = 721/720
    In mixed form: 11/720

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