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Add 35/81 and 4/90

35/81 + 4/90 is 193/405.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 81 and 90 is 810

    Next, find the equivalent fraction of both fractional numbers with denominator 810
  2. For the 1st fraction, since 81 × 10 = 810,
    35/81 = 35 × 10/81 × 10 = 350/810
  3. Likewise, for the 2nd fraction, since 90 × 9 = 810,
    4/90 = 4 × 9/90 × 9 = 36/810
  4. Add the two like fractions:
    350/810 + 36/810 = 350 + 36/810 = 386/810
  5. 386/810 simplified gives 193/405
  6. So, 35/81 + 4/90 = 193/405

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