Answers

Subtract 50/96 from 12/42

12/42 - 50/96 is -79/336.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 96 is 672
   
   Next, find the equivalent fraction of both fractional numbers with denominator 672
2. For the 1st fraction, since 42 × 16 = 672,
   12/42 = 12 × 16/42 × 16 = 192/672
3. Likewise, for the 2nd fraction, since 96 × 7 = 672,
   50/96 = 50 × 7/96 × 7 = 350/672
4. Subtract the two like fractions:
   192/672 - 350/672 = 192 - 350/672 = -158/672
5. After reducing the fraction, the answer is -79/336

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