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Add 81/2 and 18/80

1st number: 40 1/2, 2nd number: 18/80

81/2 + 18/80 is 1629/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 80 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 2 × 40 = 80,
    81/2 = 81 × 40/2 × 40 = 3240/80
  3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
    18/80 = 18 × 1/80 × 1 = 18/80
  4. Add the two like fractions:
    3240/80 + 18/80 = 3240 + 18/80 = 3258/80
  5. 3258/80 simplified gives 1629/40
  6. So, 81/2 + 18/80 = 1629/40
    In mixed form: 4029/40

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