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Add 28/8 and 81/90

1st number: 3 4/8, 2nd number: 81/90

28/8 + 81/90 is 22/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 90 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 8 × 45 = 360,
    28/8 = 28 × 45/8 × 45 = 1260/360
  3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
    81/90 = 81 × 4/90 × 4 = 324/360
  4. Add the two like fractions:
    1260/360 + 324/360 = 1260 + 324/360 = 1584/360
  5. 1584/360 simplified gives 22/5
  6. So, 28/8 + 81/90 = 22/5
    In mixed form: 42/5

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