Answers

Subtract 84/81 from 3/75

1^st number: 3/75, 2^nd number: 1 3/81

3/75 - 84/81 is -673/675.

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,
   3/75 = 3 × 27/75 × 27 = 81/2025
3. Likewise, for the 2nd fraction, since 81 × 25 = 2025,
   84/81 = 84 × 25/81 × 25 = 2100/2025
4. Subtract the two like fractions:
   81/2025 - 2100/2025 = 81 - 2100/2025 = -2019/2025
5. After reducing the fraction, the answer is -673/675

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