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Add 12/81 and 4/10

12/81 + 4/10 is 74/135.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 81 and 10 is 810

    Next, find the equivalent fraction of both fractional numbers with denominator 810
  2. For the 1st fraction, since 81 × 10 = 810,
    12/81 = 12 × 10/81 × 10 = 120/810
  3. Likewise, for the 2nd fraction, since 10 × 81 = 810,
    4/10 = 4 × 81/10 × 81 = 324/810
  4. Add the two like fractions:
    120/810 + 324/810 = 120 + 324/810 = 444/810
  5. 444/810 simplified gives 74/135
  6. So, 12/81 + 4/10 = 74/135

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