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Add 3/12 and 5/15

3/12 + 5/15 is 7/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 15 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 12 × 5 = 60,
    3/12 = 3 × 5/12 × 5 = 15/60
  3. Likewise, for the 2nd fraction, since 15 × 4 = 60,
    5/15 = 5 × 4/15 × 4 = 20/60
  4. Add the two like fractions:
    15/60 + 20/60 = 15 + 20/60 = 35/60
  5. 35/60 simplified gives 7/12
  6. So, 3/12 + 5/15 = 7/12

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