Answers

Subtract 2/81 from 7/25

7/25 - 2/81 is 517/2025.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 25 and 81 is 2025
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2025
2. For the 1st fraction, since 25 × 81 = 2025,
   7/25 = 7 × 81/25 × 81 = 567/2025
3. Likewise, for the 2nd fraction, since 81 × 25 = 2025,
   2/81 = 2 × 25/81 × 25 = 50/2025
4. Subtract the two like fractions:
   567/2025 - 50/2025 = 567 - 50/2025 = 517/2025

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