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Add 15/12 and 5/80

1st number: 1 3/12, 2nd number: 5/80

15/12 + 5/80 is 21/16.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 80 is 240

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 12 × 20 = 240,
    15/12 = 15 × 20/12 × 20 = 300/240
  3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
    5/80 = 5 × 3/80 × 3 = 15/240
  4. Add the two like fractions:
    300/240 + 15/240 = 300 + 15/240 = 315/240
  5. 315/240 simplified gives 21/16
  6. So, 15/12 + 5/80 = 21/16
    In mixed form: 15/16

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