Subtract 40/50 from 49/40
1st number: 1 9/40, 2nd number: 40/50
49/40 - 40/50 is 17/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 50 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 40 × 5 = 200,
49/40 = 49 × 5/40 × 5 = 245/200 - Likewise, for the 2nd fraction, since 50 × 4 = 200,
40/50 = 40 × 4/50 × 4 = 160/200 - Subtract the two like fractions:
245/200 - 160/200 = 245 - 160/200 = 85/200 - After reducing the fraction, the answer is 17/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/40-40/50 49/40-80/50 49/80-40/50