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Add 1/12 and 12/45

1/12 + 12/45 is 7/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 45 is 180
  2. For the 1st fraction, since 12 × 15 = 180,
    1/12 = 1 × 15/12 × 15 = 15/180
  3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
    12/45 = 12 × 4/45 × 4 = 48/180
  4. Add the two fractions:
    15/180 + 48/180 = 15 + 48/180 = 63/180
  5. After reducing the fraction, the answer is 7/20

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