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Add 63/18 and 7/80

1st number: 3 9/18, 2nd number: 7/80

63/18 + 7/80 is 287/80.

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,
    63/18 = 63 × 40/18 × 40 = 2520/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    7/80 = 7 × 9/80 × 9 = 63/720
  4. Add the two like fractions:
    2520/720 + 63/720 = 2520 + 63/720 = 2583/720
  5. 2583/720 simplified gives 287/80
  6. So, 63/18 + 7/80 = 287/80
    In mixed form: 347/80

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