Subtract 8/98 from 2/20, Solve 2/20

Subtract 8/98 from 2/20

2/20 - 8/98 is 9/490.

Find the least common denominator or LCM of the two denominators:
LCM of 20 and 98 is 980

Next, find the equivalent fraction of both fractional numbers with denominator 980
For the 1st fraction, since 20 × 49 = 980,
2/20 = 2 × 49/20 × 49 = 98/980
Likewise, for the 2nd fraction, since 98 × 10 = 980,
8/98 = 8 × 10/98 × 10 = 80/980
Subtract the two like fractions:
98/980 - 80/980 = 98 - 80/980 = 18/980
After reducing the fraction, the answer is 9/490

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