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Add 45/81 and 20/54

45/81 + 20/54 is 25/27.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 81 and 54 is 162

    Next, find the equivalent fraction of both fractional numbers with denominator 162
  2. For the 1st fraction, since 81 × 2 = 162,
    45/81 = 45 × 2/81 × 2 = 90/162
  3. Likewise, for the 2nd fraction, since 54 × 3 = 162,
    20/54 = 20 × 3/54 × 3 = 60/162
  4. Add the two like fractions:
    90/162 + 60/162 = 90 + 60/162 = 150/162
  5. 150/162 simplified gives 25/27
  6. So, 45/81 + 20/54 = 25/27

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