Answers

Subtract 40/42 from 6/35

6/35 - 40/42 is -82/105.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 42 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 35 × 6 = 210,
   6/35 = 6 × 6/35 × 6 = 36/210
3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
   40/42 = 40 × 5/42 × 5 = 200/210
4. Subtract the two like fractions:
   36/210 - 200/210 = 36 - 200/210 = -164/210
5. After reducing the fraction, the answer is -82/105

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