Subtract 3/15 from 40/8
1st number: 5 0/8, 2nd number: 3/15
40/8 - 3/15 is 24/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 15 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
40/8 = 40 × 15/8 × 15 = 600/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
3/15 = 3 × 8/15 × 8 = 24/120 - Subtract the two like fractions:
600/120 - 24/120 = 600 - 24/120 = 576/120 - After reducing the fraction, the answer is 24/5
- In mixed form: 44/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/8-3/15 40/8-6/15 40/16-3/15 40/8-3/30 40/8-9/15 40/24-3/15 40/8-3/45 40/8-3/75 40/8-21/15 40/56-3/15