Answers

Subtract 6/15 from 8/42

8/42 - 6/15 is -22/105.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 15 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 42 × 5 = 210,
   8/42 = 8 × 5/42 × 5 = 40/210
3. Likewise, for the 2nd fraction, since 15 × 14 = 210,
   6/15 = 6 × 14/15 × 14 = 84/210
4. Subtract the two like fractions:
   40/210 - 84/210 = 40 - 84/210 = -44/210
5. After reducing the fraction, the answer is -22/105

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