Subtract 49/45 from 4/98, Solve 4/98

Subtract 49/45 from 4/98

1^st number: 4/98, 2^nd number: 1 4/45

4/98 - 49/45 is -2311/2205.

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

Next, find the equivalent fraction of both fractional numbers with denominator 4410
For the 1st fraction, since 98 × 45 = 4410,
4/98 = 4 × 45/98 × 45 = 180/4410
Likewise, for the 2nd fraction, since 45 × 98 = 4410,
49/45 = 49 × 98/45 × 98 = 4802/4410
Subtract the two like fractions:
180/4410 - 4802/4410 = 180 - 4802/4410 = -4622/4410
After reducing the fraction, the answer is -2311/2205

MathStep (Works offline)

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