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Add 6/8 and 81/90

6/8 + 81/90 is 33/20.

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,
    6/8 = 6 × 45/8 × 45 = 270/360
  3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
    81/90 = 81 × 4/90 × 4 = 324/360
  4. Add the two like fractions:
    270/360 + 324/360 = 270 + 324/360 = 594/360
  5. 594/360 simplified gives 33/20
  6. So, 6/8 + 81/90 = 33/20
    In mixed form: 113/20

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