Subtract 30/98 from 20/10
1st number: 2 0/10, 2nd number: 30/98
20/10 - 30/98 is 83/49.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 98 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 10 × 49 = 490,
20/10 = 20 × 49/10 × 49 = 980/490 - Likewise, for the 2nd fraction, since 98 × 5 = 490,
30/98 = 30 × 5/98 × 5 = 150/490 - Subtract the two like fractions:
980/490 - 150/490 = 980 - 150/490 = 830/490 - After reducing the fraction, the answer is 83/49
- In mixed form: 134/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/10-30/98 20/10-60/98 60/10-30/98 20/10-90/98 20/30-30/98 20/50-30/98 20/70-30/98