Subtract 63/40 from 2/3
1st number: 2/3, 2nd number: 1 23/40
2/3 - 63/40 is -109/120.
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,
2/3 = 2 × 40/3 × 40 = 80/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
63/40 = 63 × 3/40 × 3 = 189/120 - Subtract the two like fractions:
80/120 - 189/120 = 80 - 189/120 = -109/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/3-63/40 2/6-63/40 2/3-63/80 6/3-63/40 2/9-63/40 10/3-63/40 2/15-63/40 14/3-63/40 2/21-63/40