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Add 18/30 and 45/81

18/30 + 45/81 is 52/45.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 810
  2. For the 1st fraction, since 30 × 27 = 810,
    18/30 = 18 × 27/30 × 27 = 486/810
  3. Likewise, for the 2nd fraction, since 81 × 10 = 810,
    45/81 = 45 × 10/81 × 10 = 450/810
  4. Add the two like fractions:
    486/810 + 450/810 = 486 + 450/810 = 936/810
  5. 936/810 simplified gives 52/45
  6. So, 18/30 + 45/81 = 52/45
    In mixed form: 17/45

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