Answers

Subtract 3/81 from 5/75

5/75 - 3/81 is 4/135.

Steps for subtracting 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,
   5/75 = 5 × 27/75 × 27 = 135/2025
3. Likewise, for the 2nd fraction, since 81 × 25 = 2025,
   3/81 = 3 × 25/81 × 25 = 75/2025
4. Subtract the two like fractions:
   135/2025 - 75/2025 = 135 - 75/2025 = 60/2025
5. After reducing the fraction, the answer is 4/135

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