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Add 12/45 and 4/12

12/45 + 4/12 is 3/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 12 is 180
  2. For the 1st fraction, since 45 × 4 = 180,
    12/45 = 12 × 4/45 × 4 = 48/180
  3. Likewise, for the 2nd fraction, since 12 × 15 = 180,
    4/12 = 4 × 15/12 × 15 = 60/180
  4. Add the two fractions:
    48/180 + 60/180 = 48 + 60/180 = 108/180
  5. After reducing the fraction, the answer is 3/5

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