Subtract 8/40 from 8/6
1st number: 1 2/6, 2nd number: 8/40
8/6 - 8/40 is 17/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 6 × 20 = 120,
8/6 = 8 × 20/6 × 20 = 160/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
8/40 = 8 × 3/40 × 3 = 24/120 - Subtract the two like fractions:
160/120 - 24/120 = 160 - 24/120 = 136/120 - After reducing the fraction, the answer is 17/15
- In mixed form: 12/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/6-8/40 8/6-16/40 8/12-8/40 8/6-8/80 24/6-8/40 8/6-24/40 8/18-8/40 40/6-8/40 8/30-8/40 56/6-8/40 8/6-56/40 8/42-8/40