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Add 1/80 and 28/9

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

1/80 + 28/9 is 2249/720.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 9 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 80 × 9 = 720,
    1/80 = 1 × 9/80 × 9 = 9/720
  3. Likewise, for the 2nd fraction, since 9 × 80 = 720,
    28/9 = 28 × 80/9 × 80 = 2240/720
  4. Add the two like fractions:
    9/720 + 2240/720 = 9 + 2240/720 = 2249/720
  5. So, 1/80 + 28/9 = 2249/720
    In mixed form: 389/720

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