Subtract 45/40 from 50/7
1st number: 7 1/7, 2nd number: 1 5/40
50/7 - 45/40 is 337/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 7 × 40 = 280,
50/7 = 50 × 40/7 × 40 = 2000/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
45/40 = 45 × 7/40 × 7 = 315/280 - Subtract the two like fractions:
2000/280 - 315/280 = 2000 - 315/280 = 1685/280 - After reducing the fraction, the answer is 337/56
- In mixed form: 61/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/7-90/40 50/14-45/40 50/7-45/80 50/21-45/40 50/35-45/40 50/49-45/40