Subtract 63/80 from 4/98
4/98 - 63/80 is -2927/3920.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 80 is 3920
Next, find the equivalent fraction of both fractional numbers with denominator 3920 - For the 1st fraction, since 98 × 40 = 3920,
4/98 = 4 × 40/98 × 40 = 160/3920 - Likewise, for the 2nd fraction, since 80 × 49 = 3920,
63/80 = 63 × 49/80 × 49 = 3087/3920 - Subtract the two like fractions:
160/3920 - 3087/3920 = 160 - 3087/3920 = -2927/3920
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/98-63/80 12/98-63/80 20/98-63/80 28/98-63/80