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Add 36/81 and 12/30

36/81 + 12/30 is 38/45.

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,
    36/81 = 36 × 10/81 × 10 = 360/810
  3. Likewise, for the 2nd fraction, since 30 × 27 = 810,
    12/30 = 12 × 27/30 × 27 = 324/810
  4. Add the two like fractions:
    360/810 + 324/810 = 360 + 324/810 = 684/810
  5. 684/810 simplified gives 38/45
  6. So, 36/81 + 12/30 = 38/45

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