Answers

Subtract 50/98 from 18/42

18/42 - 50/98 is -4/49.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 98 is 294
   
   Next, find the equivalent fraction of both fractional numbers with denominator 294
2. For the 1st fraction, since 42 × 7 = 294,
   18/42 = 18 × 7/42 × 7 = 126/294
3. Likewise, for the 2nd fraction, since 98 × 3 = 294,
   50/98 = 50 × 3/98 × 3 = 150/294
4. Subtract the two like fractions:
   126/294 - 150/294 = 126 - 150/294 = -24/294
5. After reducing the fraction, the answer is -4/49

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