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Add 2/12 and 4/45

2/12 + 4/45 is 23/90.

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,
    2/12 = 2 × 15/12 × 15 = 30/180
  3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
    4/45 = 4 × 4/45 × 4 = 16/180
  4. Add the two fractions:
    30/180 + 16/180 = 30 + 16/180 = 46/180
  5. After reducing the fraction, the answer is 23/90

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