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Add 12/15 and 3/30

12/15 + 3/30 is 9/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 30 is 30
  2. For the 1st fraction, since 15 × 2 = 30,
    12/15 = 12 × 2/15 × 2 = 24/30
  3. Likewise, for the 2nd fraction, since 30 × 1 = 30,
    3/30 = 3 × 1/30 × 1 = 3/30
  4. Add the two fractions:
    24/30 + 3/30 = 24 + 3/30 = 27/30
  5. 27/30 simplified gives 9/10
  6. So, 12/15 + 3/30 = 9/10

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