Subtract 40/48 from 15/50
15/50 - 40/48 is -8/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 48 is 1200
Next, find the equivalent fraction of both fractional numbers with denominator 1200 - For the 1st fraction, since 50 × 24 = 1200,
15/50 = 15 × 24/50 × 24 = 360/1200 - Likewise, for the 2nd fraction, since 48 × 25 = 1200,
40/48 = 40 × 25/48 × 25 = 1000/1200 - Subtract the two like fractions:
360/1200 - 1000/1200 = 360 - 1000/1200 = -640/1200 - After reducing the fraction, the answer is -8/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/50-40/48 15/50-80/48 15/50-40/96 45/50-40/48 75/50-40/48