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Add 18/12 and 12/45

1st number: 1 6/12, 2nd number: 12/45

18/12 + 12/45 is 53/30.

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,
    18/12 = 18 × 15/12 × 15 = 270/180
  3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
    12/45 = 12 × 4/45 × 4 = 48/180
  4. Add the two fractions:
    270/180 + 48/180 = 270 + 48/180 = 318/180
  5. 318/180 simplified gives 53/30
  6. So, 18/12 + 12/45 = 53/30
    In mixed form: 123/30

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