Answers

Subtract 8/81 from 25/10

1^st number: 2 5/10, 2^nd number: 8/81

25/10 - 8/81 is 389/162.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 81 is 810
   
   Next, find the equivalent fraction of both fractional numbers with denominator 810
2. For the 1st fraction, since 10 × 81 = 810,
   25/10 = 25 × 81/10 × 81 = 2025/810
3. Likewise, for the 2nd fraction, since 81 × 10 = 810,
   8/81 = 8 × 10/81 × 10 = 80/810
4. Subtract the two like fractions:
   2025/810 - 80/810 = 2025 - 80/810 = 1945/810
5. After reducing the fraction, the answer is 389/162
6. In mixed form: 265/162

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