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Add 12/30 and 15/80

12/30 + 15/80 is 47/80.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 80 is 240

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 30 × 8 = 240,
    12/30 = 12 × 8/30 × 8 = 96/240
  3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
    15/80 = 15 × 3/80 × 3 = 45/240
  4. Add the two like fractions:
    96/240 + 45/240 = 96 + 45/240 = 141/240
  5. 141/240 simplified gives 47/80
  6. So, 12/30 + 15/80 = 47/80

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