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Add 28/80 and 35/18

1st number: 28/80, 2nd number: 1 17/18

28/80 + 35/18 is 413/180.

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,
    28/80 = 28 × 9/80 × 9 = 252/720
  3. Likewise, for the 2nd fraction, since 18 × 40 = 720,
    35/18 = 35 × 40/18 × 40 = 1400/720
  4. Add the two like fractions:
    252/720 + 1400/720 = 252 + 1400/720 = 1652/720
  5. 1652/720 simplified gives 413/180
  6. So, 28/80 + 35/18 = 413/180
    In mixed form: 253/180

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