Subtract 15/10 from 5/98, Solve 5/98

Subtract 15/10 from 5/98

1^st number: 5/98, 2^nd number: 1 5/10

5/98 - 15/10 is -71/49.

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
For the 1st fraction, since 98 × 5 = 490,
5/98 = 5 × 5/98 × 5 = 25/490
Likewise, for the 2nd fraction, since 10 × 49 = 490,
15/10 = 15 × 49/10 × 49 = 735/490
Subtract the two like fractions:
25/490 - 735/490 = 25 - 735/490 = -710/490
After reducing the fraction, the answer is -71/49

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