Answers

Subtract 50/98 from 27/90

27/90 - 50/98 is -103/490.

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,
   27/90 = 27 × 49/90 × 49 = 1323/4410
3. Likewise, for the 2nd fraction, since 98 × 45 = 4410,
   50/98 = 50 × 45/98 × 45 = 2250/4410
4. Subtract the two like fractions:
   1323/4410 - 2250/4410 = 1323 - 2250/4410 = -927/4410
5. After reducing the fraction, the answer is -103/490

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