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Add 4/10 and 36/81

4/10 + 36/81 is 38/45.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 810
  2. For the 1st fraction, since 10 × 81 = 810,
    4/10 = 4 × 81/10 × 81 = 324/810
  3. Likewise, for the 2nd fraction, since 81 × 10 = 810,
    36/81 = 36 × 10/81 × 10 = 360/810
  4. Add the two like fractions:
    324/810 + 360/810 = 324 + 360/810 = 684/810
  5. 684/810 simplified gives 38/45
  6. So, 4/10 + 36/81 = 38/45

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