Subtract 40/8 from 2/15
1st number: 2/15, 2nd number: 5 0/8
2/15 - 40/8 is -73/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
2/15 = 2 × 8/15 × 8 = 16/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
40/8 = 40 × 15/8 × 15 = 600/120 - Subtract the two like fractions:
16/120 - 600/120 = 16 - 600/120 = -584/120 - After reducing the fraction, the answer is -73/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/15-40/8 2/15-80/8 2/30-40/8 2/15-40/16 6/15-40/8 2/45-40/8 2/15-40/24 10/15-40/8 2/75-40/8 14/15-40/8 2/15-40/56