Subtract 1/15 from 40/50
40/50 - 1/15 is 11/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 15 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 50 × 3 = 150,
40/50 = 40 × 3/50 × 3 = 120/150 - Likewise, for the 2nd fraction, since 15 × 10 = 150,
1/15 = 1 × 10/15 × 10 = 10/150 - Subtract the two like fractions:
120/150 - 10/150 = 120 - 10/150 = 110/150 - After reducing the fraction, the answer is 11/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/50-1/15 40/50-2/15 40/50-1/30 40/50-3/15 40/50-1/45 40/50-5/15 40/50-1/75 40/50-7/15