Subtract 24/5 from 30/98, Solve 30/98

Subtract 24/5 from 30/98

1^st number: 30/98, 2^nd number: 4 4/5

30/98 - 24/5 is -1101/245.

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

Next, find the equivalent fraction of both fractional numbers with denominator 490
For the 1st fraction, since 98 × 5 = 490,
30/98 = 30 × 5/98 × 5 = 150/490
Likewise, for the 2nd fraction, since 5 × 98 = 490,
24/5 = 24 × 98/5 × 98 = 2352/490
Subtract the two like fractions:
150/490 - 2352/490 = 150 - 2352/490 = -2202/490
After reducing the fraction, the answer is -1101/245

MathStep (Works offline)

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