Subtract 7/5 from 6/98, Solve 6/98

Subtract 7/5 from 6/98

1^st number: 6/98, 2^nd number: 1 2/5

6/98 - 7/5 is -328/245.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 5 is 490

Next, find the equivalent fraction of both fractional numbers with denominator 490
For the 1st fraction, since 98 × 5 = 490,
6/98 = 6 × 5/98 × 5 = 30/490
Likewise, for the 2nd fraction, since 5 × 98 = 490,
7/5 = 7 × 98/5 × 98 = 686/490
Subtract the two like fractions:
30/490 - 686/490 = 30 - 686/490 = -656/490
After reducing the fraction, the answer is -328/245

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