Answers

Subtract 45/50 from 20/98

20/98 - 45/50 is -341/490.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 50 is 2450
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2450
2. For the 1st fraction, since 98 × 25 = 2450,
   20/98 = 20 × 25/98 × 25 = 500/2450
3. Likewise, for the 2nd fraction, since 50 × 49 = 2450,
   45/50 = 45 × 49/50 × 49 = 2205/2450
4. Subtract the two like fractions:
   500/2450 - 2205/2450 = 500 - 2205/2450 = -1705/2450
5. After reducing the fraction, the answer is -341/490

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