Subtract 49/40 from 1/3
1st number: 1/3, 2nd number: 1 9/40
1/3 - 49/40 is -107/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 3 × 40 = 120,
1/3 = 1 × 40/3 × 40 = 40/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
49/40 = 49 × 3/40 × 3 = 147/120 - Subtract the two like fractions:
40/120 - 147/120 = 40 - 147/120 = -107/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/3-49/40 1/3-98/40 1/6-49/40 1/3-49/80 1/9-49/40 5/3-49/40 1/15-49/40 7/3-49/40 1/21-49/40