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Add 18/81 and 10/25

18/81 + 10/25 is 28/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 81 and 25 is 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,
    10/25 = 10 × 81/25 × 81 = 810/2025
  4. Add the two fractions:
    450/2025 + 810/2025 = 450 + 810/2025 = 1260/2025
  5. 1260/2025 simplified gives 28/45
  6. So, 18/81 + 10/25 = 28/45

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