Subtract 5/98 from 9/45, Solve 9/45

Subtract 5/98 from 9/45

9/45 - 5/98 is 73/490.

Find the least common denominator or LCM of the two denominators:
LCM of 45 and 98 is 4410

Next, find the equivalent fraction of both fractional numbers with denominator 4410
For the 1st fraction, since 45 × 98 = 4410,
9/45 = 9 × 98/45 × 98 = 882/4410
Likewise, for the 2nd fraction, since 98 × 45 = 4410,
5/98 = 5 × 45/98 × 45 = 225/4410
Subtract the two like fractions:
882/4410 - 225/4410 = 882 - 225/4410 = 657/4410
After reducing the fraction, the answer is 73/490

MathStep (Works offline)

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