Subtract 63/16 from 49/20
1st number: 2 9/20, 2nd number: 3 15/16
49/20 - 63/16 is -119/80.
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,
49/20 = 49 × 4/20 × 4 = 196/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
63/16 = 63 × 5/16 × 5 = 315/80 - Subtract the two like fractions:
196/80 - 315/80 = 196 - 315/80 = -119/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/20-63/16 49/40-63/16 49/20-63/32 49/60-63/16 49/20-63/48 49/20-63/80