Subtract 16/49 from 6/20
6/20 - 16/49 is -13/490.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 49 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 20 × 49 = 980,
6/20 = 6 × 49/20 × 49 = 294/980 - Likewise, for the 2nd fraction, since 49 × 20 = 980,
16/49 = 16 × 20/49 × 20 = 320/980 - Subtract the two like fractions:
294/980 - 320/980 = 294 - 320/980 = -26/980 - After reducing the fraction, the answer is -13/490
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/20-16/49 6/20-32/49 6/40-16/49 6/20-16/98 18/20-16/49 6/20-48/49 6/60-16/49 30/20-16/49 6/20-80/49 42/20-16/49