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Add 28/12 and 6/90

1st number: 2 4/12, 2nd number: 6/90

28/12 + 6/90 is 12/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 90 is 180
  2. For the 1st fraction, since 12 × 15 = 180,
    28/12 = 28 × 15/12 × 15 = 420/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    6/90 = 6 × 2/90 × 2 = 12/180
  4. Add the two fractions:
    420/180 + 12/180 = 420 + 12/180 = 432/180
  5. 432/180 simplified gives 12/5
  6. So, 28/12 + 6/90 = 12/5
    In mixed form: 22/5

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