Answers

Subtract 56/75 from 1/81

1/81 - 56/75 is -1487/2025.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 75 is 2025
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2025
2. For the 1st fraction, since 81 × 25 = 2025,
   1/81 = 1 × 25/81 × 25 = 25/2025
3. Likewise, for the 2nd fraction, since 75 × 27 = 2025,
   56/75 = 56 × 27/75 × 27 = 1512/2025
4. Subtract the two like fractions:
   25/2025 - 1512/2025 = 25 - 1512/2025 = -1487/2025

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