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Add 20/75 and 12/81

20/75 + 12/81 is 56/135.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 81 is 2025

    Next, find the equivalent fraction of both fractional numbers with denominator 2025
  2. For the 1st fraction, since 75 × 27 = 2025,
    20/75 = 20 × 27/75 × 27 = 540/2025
  3. Likewise, for the 2nd fraction, since 81 × 25 = 2025,
    12/81 = 12 × 25/81 × 25 = 300/2025
  4. Add the two like fractions:
    540/2025 + 300/2025 = 540 + 300/2025 = 840/2025
  5. 840/2025 simplified gives 56/135
  6. So, 20/75 + 12/81 = 56/135

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