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Add 18/81 and 10/30

18/81 + 10/30 is 5/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 81 and 30 is 810

    Next, find the equivalent fraction of both fractional numbers with denominator 810
  2. For the 1st fraction, since 81 × 10 = 810,
    18/81 = 18 × 10/81 × 10 = 180/810
  3. Likewise, for the 2nd fraction, since 30 × 27 = 810,
    10/30 = 10 × 27/30 × 27 = 270/810
  4. Add the two like fractions:
    180/810 + 270/810 = 180 + 270/810 = 450/810
  5. 450/810 simplified gives 5/9
  6. So, 18/81 + 10/30 = 5/9

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