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Add 12/18 and 5/90

12/18 + 5/90 is 13/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 90 is 90
  2. For the 1st fraction, since 18 × 5 = 90,
    12/18 = 12 × 5/18 × 5 = 60/90
  3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
    5/90 = 5 × 1/90 × 1 = 5/90
  4. Add the two fractions:
    60/90 + 5/90 = 60 + 5/90 = 65/90
  5. 65/90 simplified gives 13/18
  6. So, 12/18 + 5/90 = 13/18

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