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Add 12/5 and 18/80

1st number: 2 2/5, 2nd number: 18/80

12/5 + 18/80 is 21/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 80 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 5 × 16 = 80,
    12/5 = 12 × 16/5 × 16 = 192/80
  3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
    18/80 = 18 × 1/80 × 1 = 18/80
  4. Add the two like fractions:
    192/80 + 18/80 = 192 + 18/80 = 210/80
  5. 210/80 simplified gives 21/8
  6. So, 12/5 + 18/80 = 21/8
    In mixed form: 25/8

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