Subtract 9/98 from 2/20, Solve 2/20

Subtract 9/98 from 2/20

2/20 - 9/98 is 2/245.

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,
9/98 = 9 × 10/98 × 10 = 90/980
Subtract the two like fractions:
98/980 - 90/980 = 98 - 90/980 = 8/980
After reducing the fraction, the answer is 2/245

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