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Add 28/10 and 90/12

1st number: 2 8/10, 2nd number: 7 6/12

28/10 + 90/12 is 103/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 12 is 60
  2. For the 1st fraction, since 10 × 6 = 60,
    28/10 = 28 × 6/10 × 6 = 168/60
  3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
    90/12 = 90 × 5/12 × 5 = 450/60
  4. Add the two fractions:
    168/60 + 450/60 = 168 + 450/60 = 618/60
  5. After reducing the fraction, the answer is 103/10
  6. In mixed form: 103/10

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