Subtract 49/20 from 6/16
1st number: 6/16, 2nd number: 2 9/20
6/16 - 49/20 is -83/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 20 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
6/16 = 6 × 5/16 × 5 = 30/80 - Likewise, for the 2nd fraction, since 20 × 4 = 80,
49/20 = 49 × 4/20 × 4 = 196/80 - Subtract the two like fractions:
30/80 - 196/80 = 30 - 196/80 = -166/80 - After reducing the fraction, the answer is -83/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/16-49/20 6/16-98/20 6/32-49/20 6/16-49/40 18/16-49/20 6/48-49/20 6/16-49/60 30/16-49/20 6/80-49/20 42/16-49/20