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Add 49/81 and 20/45

49/81 + 20/45 is 85/81.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 81 and 45 is 405
  2. For the 1st fraction, since 81 × 5 = 405,
    49/81 = 49 × 5/81 × 5 = 245/405
  3. Likewise, for the 2nd fraction, since 45 × 9 = 405,
    20/45 = 20 × 9/45 × 9 = 180/405
  4. Add the two fractions:
    245/405 + 180/405 = 245 + 180/405 = 425/405
  5. After reducing the fraction, the answer is 85/81
  6. In mixed form: 14/81

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