Subtract 45/80 from 6/98
6/98 - 45/80 is -393/784.
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,
6/98 = 6 × 40/98 × 40 = 240/3920 - Likewise, for the 2nd fraction, since 80 × 49 = 3920,
45/80 = 45 × 49/80 × 49 = 2205/3920 - Subtract the two like fractions:
240/3920 - 2205/3920 = 240 - 2205/3920 = -1965/3920 - After reducing the fraction, the answer is -393/784
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/98-45/80 6/98-90/80 18/98-45/80 30/98-45/80 42/98-45/80