Subtract 9/98 from 18/36, Solve 18/36

Subtract 9/98 from 18/36

18/36 - 9/98 is 20/49.

Find the least common denominator or LCM of the two denominators:
LCM of 36 and 98 is 1764

Next, find the equivalent fraction of both fractional numbers with denominator 1764
For the 1st fraction, since 36 × 49 = 1764,
18/36 = 18 × 49/36 × 49 = 882/1764
Likewise, for the 2nd fraction, since 98 × 18 = 1764,
9/98 = 9 × 18/98 × 18 = 162/1764
Subtract the two like fractions:
882/1764 - 162/1764 = 882 - 162/1764 = 720/1764
After reducing the fraction, the answer is 20/49

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