Subtract 90/98 from 10/5
1st number: 2 0/5, 2nd number: 90/98
10/5 - 90/98 is 53/49.
Steps for subtracting fractions
- 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,
90/98 = 90 × 5/98 × 5 = 450/490 - Subtract the two like fractions:
980/490 - 450/490 = 980 - 450/490 = 530/490 - After reducing the fraction, the answer is 53/49
- In mixed form: 14/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/5-90/98 30/5-90/98 10/15-90/98 50/5-90/98 10/25-90/98 70/5-90/98 10/35-90/98