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Add 15/80 and 12/4

1st number: 15/80, 2nd number: 3 0/4

15/80 + 12/4 is 51/16.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 4 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 80 × 1 = 80,
    15/80 = 15 × 1/80 × 1 = 15/80
  3. Likewise, for the 2nd fraction, since 4 × 20 = 80,
    12/4 = 12 × 20/4 × 20 = 240/80
  4. Add the two like fractions:
    15/80 + 240/80 = 15 + 240/80 = 255/80
  5. 255/80 simplified gives 51/16
  6. So, 15/80 + 12/4 = 51/16
    In mixed form: 33/16

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