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Add 6/12 and 9/15

6/12 + 9/15 is 11/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 15 is 60
  2. For the 1st fraction, since 12 × 5 = 60,
    6/12 = 6 × 5/12 × 5 = 30/60
  3. Likewise, for the 2nd fraction, since 15 × 4 = 60,
    9/15 = 9 × 4/15 × 4 = 36/60
  4. Add the two fractions:
    30/60 + 36/60 = 30 + 36/60 = 66/60
  5. 66/60 simplified gives 11/10
  6. So, 6/12 + 9/15 = 11/10
    In mixed form: 11/10

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