Subtract 8/98 from 7/10
7/10 - 8/98 is 303/490.
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,
7/10 = 7 × 49/10 × 49 = 343/490 - Likewise, for the 2nd fraction, since 98 × 5 = 490,
8/98 = 8 × 5/98 × 5 = 40/490 - Subtract the two like fractions:
343/490 - 40/490 = 343 - 40/490 = 303/490
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/10-8/98 7/10-16/98 7/20-8/98 21/10-8/98 7/10-24/98 7/30-8/98 35/10-8/98 7/10-40/98 7/50-8/98 49/10-8/98 7/10-56/98 7/70-8/98