Answers

Subtract 30/49 from 20/98

20/98 - 30/49 is -20/49.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 49 is 98
   
   Next, find the equivalent fraction of both fractional numbers with denominator 98
2. For the 1st fraction, since 98 × 1 = 98,
   20/98 = 20 × 1/98 × 1 = 20/98
3. Likewise, for the 2nd fraction, since 49 × 2 = 98,
   30/49 = 30 × 2/49 × 2 = 60/98
4. Subtract the two like fractions:
   20/98 - 60/98 = 20 - 60/98 = -40/98
5. After reducing the fraction, the answer is -20/49

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