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Add 15/60 and 75/80

15/60 + 75/80 is 19/16.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 80 is 240

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 60 × 4 = 240,
    15/60 = 15 × 4/60 × 4 = 60/240
  3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
    75/80 = 75 × 3/80 × 3 = 225/240
  4. Add the two like fractions:
    60/240 + 225/240 = 60 + 225/240 = 285/240
  5. 285/240 simplified gives 19/16
  6. So, 15/60 + 75/80 = 19/16
    In mixed form: 13/16

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