Subtract 5/98 from 3/80
3/80 - 5/98 is -53/3920.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 98 is 3920
Next, find the equivalent fraction of both fractional numbers with denominator 3920 - For the 1st fraction, since 80 × 49 = 3920,
3/80 = 3 × 49/80 × 49 = 147/3920 - Likewise, for the 2nd fraction, since 98 × 40 = 3920,
5/98 = 5 × 40/98 × 40 = 200/3920 - Subtract the two like fractions:
147/3920 - 200/3920 = 147 - 200/3920 = -53/3920
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/80-5/98 3/80-10/98 9/80-5/98 3/80-15/98 15/80-5/98 3/80-25/98 21/80-5/98 3/80-35/98