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Add 1/10 and 20/81

1/10 + 20/81 is 281/810.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 81 is 810
  2. For the 1st fraction, since 10 × 81 = 810,
    1/10 = 1 × 81/10 × 81 = 81/810
  3. Likewise, for the 2nd fraction, since 81 × 10 = 810,
    20/81 = 20 × 10/81 × 10 = 200/810
  4. Add the two fractions:
    81/810 + 200/810 = 81 + 200/810 = 281/810

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