Subtract 1/98 from 18/27, Solve 18/27

Subtract 1/98 from 18/27

18/27 - 1/98 is 193/294.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 98 is 2646

Next, find the equivalent fraction of both fractional numbers with denominator 2646
For the 1st fraction, since 27 × 98 = 2646,
18/27 = 18 × 98/27 × 98 = 1764/2646
Likewise, for the 2nd fraction, since 98 × 27 = 2646,
1/98 = 1 × 27/98 × 27 = 27/2646
Subtract the two like fractions:
1764/2646 - 27/2646 = 1764 - 27/2646 = 1737/2646
After reducing the fraction, the answer is 193/294

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad