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Add 3/12 and 45/15

1st number: 3/12, 2nd number: 3 0/15

3/12 + 45/15 is 13/4.

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,
    3/12 = 3 × 5/12 × 5 = 15/60
  3. Likewise, for the 2nd fraction, since 15 × 4 = 60,
    45/15 = 45 × 4/15 × 4 = 180/60
  4. Add the two fractions:
    15/60 + 180/60 = 15 + 180/60 = 195/60
  5. 195/60 simplified gives 13/4
  6. So, 3/12 + 45/15 = 13/4
    In mixed form: 31/4

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