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Add 7/81 and 2/30

7/81 + 2/30 is 62/405.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 81 and 30 is 810

    Next, find the equivalent fraction of both fractional numbers with denominator 810
  2. For the 1st fraction, since 81 × 10 = 810,
    7/81 = 7 × 10/81 × 10 = 70/810
  3. Likewise, for the 2nd fraction, since 30 × 27 = 810,
    2/30 = 2 × 27/30 × 27 = 54/810
  4. Add the two like fractions:
    70/810 + 54/810 = 70 + 54/810 = 124/810
  5. 124/810 simplified gives 62/405
  6. So, 7/81 + 2/30 = 62/405

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