Subtract 8/20 from 10/98
10/98 - 8/20 is -73/245.
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,
10/98 = 10 × 10/98 × 10 = 100/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
8/20 = 8 × 49/20 × 49 = 392/980 - Subtract the two like fractions:
100/980 - 392/980 = 100 - 392/980 = -292/980 - After reducing the fraction, the answer is -73/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/98-8/20 10/98-16/20 10/98-8/40 30/98-8/20 10/98-24/20 10/98-8/60 50/98-8/20 10/98-40/20 70/98-8/20 10/98-56/20