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Add 28/16 and 75/90

1st number: 1 12/16, 2nd number: 75/90

28/16 + 75/90 is 31/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 90 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 16 × 45 = 720,
    28/16 = 28 × 45/16 × 45 = 1260/720
  3. Likewise, for the 2nd fraction, since 90 × 8 = 720,
    75/90 = 75 × 8/90 × 8 = 600/720
  4. Add the two like fractions:
    1260/720 + 600/720 = 1260 + 600/720 = 1860/720
  5. 1860/720 simplified gives 31/12
  6. So, 28/16 + 75/90 = 31/12
    In mixed form: 27/12

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