Answers

Subtract 90/25 from 81/8

1^st number: 10 1/8, 2^nd number: 3 15/25

81/8 - 90/25 is 261/40.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 25 is 200
   
   Next, find the equivalent fraction of both fractional numbers with denominator 200
2. For the 1st fraction, since 8 × 25 = 200,
   81/8 = 81 × 25/8 × 25 = 2025/200
3. Likewise, for the 2nd fraction, since 25 × 8 = 200,
   90/25 = 90 × 8/25 × 8 = 720/200
4. Subtract the two like fractions:
   2025/200 - 720/200 = 2025 - 720/200 = 1305/200
5. After reducing the fraction, the answer is 261/40
6. In mixed form: 621/40

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