Subtract 3/40 from 4/3
1st number: 1 1/3, 2nd number: 3/40
4/3 - 3/40 is 151/120.
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,
4/3 = 4 × 40/3 × 40 = 160/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
3/40 = 3 × 3/40 × 3 = 9/120 - Subtract the two like fractions:
160/120 - 9/120 = 160 - 9/120 = 151/120 - In mixed form: 131/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/3-3/40 4/3-6/40 4/6-3/40 4/3-3/80 12/3-3/40 4/3-9/40 4/9-3/40 20/3-3/40 4/3-15/40 4/15-3/40 28/3-3/40 4/3-21/40 4/21-3/40