Answers

Subtract 90/35 from 81/8

1^st number: 10 1/8, 2^nd number: 2 20/35

81/8 - 90/35 is 423/56.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 35 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 8 × 35 = 280,
   81/8 = 81 × 35/8 × 35 = 2835/280
3. Likewise, for the 2nd fraction, since 35 × 8 = 280,
   90/35 = 90 × 8/35 × 8 = 720/280
4. Subtract the two like fractions:
   2835/280 - 720/280 = 2835 - 720/280 = 2115/280
5. After reducing the fraction, the answer is 423/56
6. In mixed form: 731/56

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