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Add 9/12 and 12/45

9/12 + 12/45 is 61/60.

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,
    9/12 = 9 × 15/12 × 15 = 135/180
  3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
    12/45 = 12 × 4/45 × 4 = 48/180
  4. Add the two fractions:
    135/180 + 48/180 = 135 + 48/180 = 183/180
  5. 183/180 simplified gives 61/60
  6. So, 9/12 + 12/45 = 61/60
    In mixed form: 11/60

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