Subtract 35/80 from 15/50
15/50 - 35/80 is -11/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 80 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 50 × 8 = 400,
15/50 = 15 × 8/50 × 8 = 120/400 - Likewise, for the 2nd fraction, since 80 × 5 = 400,
35/80 = 35 × 5/80 × 5 = 175/400 - Subtract the two like fractions:
120/400 - 175/400 = 120 - 175/400 = -55/400 - After reducing the fraction, the answer is -11/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/50-35/80 15/50-70/80 45/50-35/80 75/50-35/80