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Add 80/18 and 28/16

1st number: 4 8/18, 2nd number: 1 12/16

80/18 + 28/16 is 223/36.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 16 is 144

    Next, find the equivalent fraction of both fractional numbers with denominator 144
  2. For the 1st fraction, since 18 × 8 = 144,
    80/18 = 80 × 8/18 × 8 = 640/144
  3. Likewise, for the 2nd fraction, since 16 × 9 = 144,
    28/16 = 28 × 9/16 × 9 = 252/144
  4. Add the two like fractions:
    640/144 + 252/144 = 640 + 252/144 = 892/144
  5. 892/144 simplified gives 223/36
  6. So, 80/18 + 28/16 = 223/36
    In mixed form: 67/36

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