Answers

Subtract 81/3 from 8/42

1^st number: 8/42, 2^nd number: 27 0/3

8/42 - 81/3 is -563/21.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 3 is 42
   
   Next, find the equivalent fraction of both fractional numbers with denominator 42
2. For the 1st fraction, since 42 × 1 = 42,
   8/42 = 8 × 1/42 × 1 = 8/42
3. Likewise, for the 2nd fraction, since 3 × 14 = 42,
   81/3 = 81 × 14/3 × 14 = 1134/42
4. Subtract the two like fractions:
   8/42 - 1134/42 = 8 - 1134/42 = -1126/42
5. After reducing the fraction, the answer is -563/21

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