Answers

Subtract 6/7 from 8/42

8/42 - 6/7 is -2/3.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 7 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 7 × 6 = 42,
   6/7 = 6 × 6/7 × 6 = 36/42
4. Subtract the two like fractions:
   8/42 - 36/42 = 8 - 36/42 = -28/42
5. After reducing the fraction, the answer is -2/3

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