Subtract 7/20 from 1/98
1/98 - 7/20 is -333/980.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 20 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 98 × 10 = 980,
1/98 = 1 × 10/98 × 10 = 10/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
7/20 = 7 × 49/20 × 49 = 343/980 - Subtract the two like fractions:
10/980 - 343/980 = 10 - 343/980 = -333/980
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/98-7/20 1/98-14/20 1/98-7/40 3/98-7/20 1/98-21/20 1/98-7/60 5/98-7/20 1/98-35/20 7/98-7/20 1/98-49/20