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Add 28/90 and 3/9

28/90 + 3/9 is 29/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 9 is 90
  2. For the 1st fraction, since 90 × 1 = 90,
    28/90 = 28 × 1/90 × 1 = 28/90
  3. Likewise, for the 2nd fraction, since 9 × 10 = 90,
    3/9 = 3 × 10/9 × 10 = 30/90
  4. Add the two fractions:
    28/90 + 30/90 = 28 + 30/90 = 58/90
  5. After reducing the fraction, the answer is 29/45

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