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Add 49/81 and 40/90

49/81 + 40/90 is 85/81.

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,
    49/81 = 49 × 10/81 × 10 = 490/810
  3. Likewise, for the 2nd fraction, since 90 × 9 = 810,
    40/90 = 40 × 9/90 × 9 = 360/810
  4. Add the two like fractions:
    490/810 + 360/810 = 490 + 360/810 = 850/810
  5. 850/810 simplified gives 85/81
  6. So, 49/81 + 40/90 = 85/81
    In mixed form: 14/81

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