Subtract 40/10 from 8/15
1st number: 8/15, 2nd number: 4 0/10
8/15 - 40/10 is -52/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
8/15 = 8 × 2/15 × 2 = 16/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
40/10 = 40 × 3/10 × 3 = 120/30 - Subtract the two like fractions:
16/30 - 120/30 = 16 - 120/30 = -104/30 - After reducing the fraction, the answer is -52/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/15-40/10 8/15-80/10 8/30-40/10 8/15-40/20 24/15-40/10 8/45-40/10 8/15-40/30 40/15-40/10 8/75-40/10 8/15-40/50 56/15-40/10 8/15-40/70