Answers

Subtract 27/10 from 4/98

1^st number: 4/98, 2^nd number: 2 7/10

4/98 - 27/10 is -1303/490.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 10 is 490
   
   Next, find the equivalent fraction of both fractional numbers with denominator 490
2. For the 1st fraction, since 98 × 5 = 490,
   4/98 = 4 × 5/98 × 5 = 20/490
3. Likewise, for the 2nd fraction, since 10 × 49 = 490,
   27/10 = 27 × 49/10 × 49 = 1323/490
4. Subtract the two like fractions:
   20/490 - 1323/490 = 20 - 1323/490 = -1303/490

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