Answers

Subtract 9/98 from 2/90

2/90 - 9/98 is -307/4410.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 98 is 4410
   
   Next, find the equivalent fraction of both fractional numbers with denominator 4410
2. For the 1st fraction, since 90 × 49 = 4410,
   2/90 = 2 × 49/90 × 49 = 98/4410
3. Likewise, for the 2nd fraction, since 98 × 45 = 4410,
   9/98 = 9 × 45/98 × 45 = 405/4410
4. Subtract the two like fractions:
   98/4410 - 405/4410 = 98 - 405/4410 = -307/4410

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