Answers

Subtract 27/32 from 5/42

5/42 - 27/32 is -487/672.

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,
   5/42 = 5 × 16/42 × 16 = 80/672
3. Likewise, for the 2nd fraction, since 32 × 21 = 672,
   27/32 = 27 × 21/32 × 21 = 567/672
4. Subtract the two like fractions:
   80/672 - 567/672 = 80 - 567/672 = -487/672

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