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Add 10/30 and 20/81

10/30 + 20/81 is 47/81.

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,
    10/30 = 10 × 27/30 × 27 = 270/810
  3. Likewise, for the 2nd fraction, since 81 × 10 = 810,
    20/81 = 20 × 10/81 × 10 = 200/810
  4. Add the two like fractions:
    270/810 + 200/810 = 270 + 200/810 = 470/810
  5. 470/810 simplified gives 47/81
  6. So, 10/30 + 20/81 = 47/81

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