Subtract 9/98 from 30/50, Solve 30/50

Subtract 9/98 from 30/50

30/50 - 9/98 is 249/490.

Find the least common denominator or LCM of the two denominators:
LCM of 50 and 98 is 2450

Next, find the equivalent fraction of both fractional numbers with denominator 2450
For the 1st fraction, since 50 × 49 = 2450,
30/50 = 30 × 49/50 × 49 = 1470/2450
Likewise, for the 2nd fraction, since 98 × 25 = 2450,
9/98 = 9 × 25/98 × 25 = 225/2450
Subtract the two like fractions:
1470/2450 - 225/2450 = 1470 - 225/2450 = 1245/2450
After reducing the fraction, the answer is 249/490

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