Subtract 8/12 from 63/40
1st number: 1 23/40, 2nd number: 8/12
63/40 - 8/12 is 109/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 12 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 12 × 10 = 120,
8/12 = 8 × 10/12 × 10 = 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: 63/40-16/12 63/80-8/12 63/40-8/24 63/40-24/12 63/40-8/36 63/40-40/12 63/40-8/60 63/40-56/12 63/40-8/84