Answers

Subtract 40/98 from 10/45

10/45 - 40/98 is -82/441.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 98 is 4410
   
   Next, find the equivalent fraction of both fractional numbers with denominator 4410
2. For the 1st fraction, since 45 × 98 = 4410,
   10/45 = 10 × 98/45 × 98 = 980/4410
3. Likewise, for the 2nd fraction, since 98 × 45 = 4410,
   40/98 = 40 × 45/98 × 45 = 1800/4410
4. Subtract the two like fractions:
   980/4410 - 1800/4410 = 980 - 1800/4410 = -820/4410
5. After reducing the fraction, the answer is -82/441

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