Answers

Subtract 4/32 from 2/42

2/42 - 4/32 is -13/168.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 32 is 672
   
   Next, find the equivalent fraction of both fractional numbers with denominator 672
2. For the 1st fraction, since 42 × 16 = 672,
   2/42 = 2 × 16/42 × 16 = 32/672
3. Likewise, for the 2nd fraction, since 32 × 21 = 672,
   4/32 = 4 × 21/32 × 21 = 84/672
4. Subtract the two like fractions:
   32/672 - 84/672 = 32 - 84/672 = -52/672
5. After reducing the fraction, the answer is -13/168

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