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Add 18/81 and 12/25

18/81 + 12/25 is 158/225.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 81 and 25 is 2025

    Next, find the equivalent fraction of both fractional numbers with denominator 2025
  2. For the 1st fraction, since 81 × 25 = 2025,
    18/81 = 18 × 25/81 × 25 = 450/2025
  3. Likewise, for the 2nd fraction, since 25 × 81 = 2025,
    12/25 = 12 × 81/25 × 81 = 972/2025
  4. Add the two like fractions:
    450/2025 + 972/2025 = 450 + 972/2025 = 1422/2025
  5. 1422/2025 simplified gives 158/225
  6. So, 18/81 + 12/25 = 158/225

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