Answers

Subtract 5/21 from 7/98

7/98 - 5/21 is -1/6.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 21 is 294
   
   Next, find the equivalent fraction of both fractional numbers with denominator 294
2. For the 1st fraction, since 98 × 3 = 294,
   7/98 = 7 × 3/98 × 3 = 21/294
3. Likewise, for the 2nd fraction, since 21 × 14 = 294,
   5/21 = 5 × 14/21 × 14 = 70/294
4. Subtract the two like fractions:
   21/294 - 70/294 = 21 - 70/294 = -49/294
5. After reducing the fraction, the answer is -1/6

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