Subtract 16/20 from 3/98
3/98 - 16/20 is -377/490.
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,
3/98 = 3 × 10/98 × 10 = 30/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
16/20 = 16 × 49/20 × 49 = 784/980 - Subtract the two like fractions:
30/980 - 784/980 = 30 - 784/980 = -754/980 - After reducing the fraction, the answer is -377/490
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/98-16/20 3/98-32/20 3/98-16/40 9/98-16/20 3/98-48/20 3/98-16/60 15/98-16/20 3/98-80/20 21/98-16/20