Subtract 8/40 from 3/50
3/50 - 8/40 is -7/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 40 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 50 × 4 = 200,
3/50 = 3 × 4/50 × 4 = 12/200 - Likewise, for the 2nd fraction, since 40 × 5 = 200,
8/40 = 8 × 5/40 × 5 = 40/200 - Subtract the two like fractions:
12/200 - 40/200 = 12 - 40/200 = -28/200 - After reducing the fraction, the answer is -7/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/50-8/40 3/50-16/40 3/50-8/80 9/50-8/40 3/50-24/40 15/50-8/40 21/50-8/40 3/50-56/40