Subtract 3/98 from 15/5, Solve 3 0/5

Subtract 3/98 from 15/5

1^st number: 3 0/5, 2^nd number: 3/98

15/5 - 3/98 is 291/98.

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,
15/5 = 15 × 98/5 × 98 = 1470/490
Likewise, for the 2nd fraction, since 98 × 5 = 490,
3/98 = 3 × 5/98 × 5 = 15/490
Subtract the two like fractions:
1470/490 - 15/490 = 1470 - 15/490 = 1455/490
After reducing the fraction, the answer is 291/98
In mixed form: 295/98

MathStep (Works offline)

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