Subtract 49/16 from 5/20
1st number: 5/20, 2nd number: 3 1/16
5/20 - 49/16 is -45/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 20 × 4 = 80,
5/20 = 5 × 4/20 × 4 = 20/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
49/16 = 49 × 5/16 × 5 = 245/80 - Subtract the two like fractions:
20/80 - 245/80 = 20 - 245/80 = -225/80 - After reducing the fraction, the answer is -45/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/20-49/16 5/20-98/16 5/40-49/16 5/20-49/32 15/20-49/16 5/60-49/16 5/20-49/48 25/20-49/16 5/20-49/80 35/20-49/16