Subtract 40/60 from 63/40
1st number: 1 23/40, 2nd number: 40/60
63/40 - 40/60 is 109/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 60 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
63/40 = 63 × 3/40 × 3 = 189/120 - Likewise, for the 2nd fraction, since 60 × 2 = 120,
40/60 = 40 × 2/60 × 2 = 80/120 - Subtract the two like fractions:
189/120 - 80/120 = 189 - 80/120 = 109/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/40-80/60 63/80-40/60