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Add 10/18 and 20/81

10/18 + 20/81 is 65/81.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 81 is 162

    Next, find the equivalent fraction of both fractional numbers with denominator 162
  2. For the 1st fraction, since 18 × 9 = 162,
    10/18 = 10 × 9/18 × 9 = 90/162
  3. Likewise, for the 2nd fraction, since 81 × 2 = 162,
    20/81 = 20 × 2/81 × 2 = 40/162
  4. Add the two like fractions:
    90/162 + 40/162 = 90 + 40/162 = 130/162
  5. 130/162 simplified gives 65/81
  6. So, 10/18 + 20/81 = 65/81

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