Answers

Subtract 30/81 from 80/75

1^st number: 1 5/75, 2^nd number: 30/81

80/75 - 30/81 is 94/135.

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,
   80/75 = 80 × 27/75 × 27 = 2160/2025
3. Likewise, for the 2nd fraction, since 81 × 25 = 2025,
   30/81 = 30 × 25/81 × 25 = 750/2025
4. Subtract the two like fractions:
   2160/2025 - 750/2025 = 2160 - 750/2025 = 1410/2025
5. After reducing the fraction, the answer is 94/135

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