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Add 18/81 and 45/50

18/81 + 45/50 is 101/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 81 and 50 is 4050

    Next, find the equivalent fraction of both fractional numbers with denominator 4050
  2. For the 1st fraction, since 81 × 50 = 4050,
    18/81 = 18 × 50/81 × 50 = 900/4050
  3. Likewise, for the 2nd fraction, since 50 × 81 = 4050,
    45/50 = 45 × 81/50 × 81 = 3645/4050
  4. Add the two like fractions:
    900/4050 + 3645/4050 = 900 + 3645/4050 = 4545/4050
  5. 4545/4050 simplified gives 101/90
  6. So, 18/81 + 45/50 = 101/90
    In mixed form: 111/90

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