Subtract 8/98 from 10/5, Solve 2 0/5

Subtract 8/98 from 10/5

1^st number: 2 0/5, 2^nd number: 8/98

10/5 - 8/98 is 94/49.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 98 is 490

Next, find the equivalent fraction of both fractional numbers with denominator 490
For the 1st fraction, since 5 × 98 = 490,
10/5 = 10 × 98/5 × 98 = 980/490
Likewise, for the 2nd fraction, since 98 × 5 = 490,
8/98 = 8 × 5/98 × 5 = 40/490
Subtract the two like fractions:
980/490 - 40/490 = 980 - 40/490 = 940/490
After reducing the fraction, the answer is 94/49
In mixed form: 145/49

MathStep (Works offline)

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