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Add 45/12 and 28/45

1st number: 3 9/12, 2nd number: 28/45

45/12 + 28/45 is 787/180.

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,
    45/12 = 45 × 15/12 × 15 = 675/180
  3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
    28/45 = 28 × 4/45 × 4 = 112/180
  4. Add the two fractions:
    675/180 + 112/180 = 675 + 112/180 = 787/180
  5. So, 45/12 + 28/45 = 787/180
    In mixed form: 467/180

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