Subtract 49/50 from 5/7
5/7 - 49/50 is -93/350.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 50 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 7 × 50 = 350,
5/7 = 5 × 50/7 × 50 = 250/350 - Likewise, for the 2nd fraction, since 50 × 7 = 350,
49/50 = 49 × 7/50 × 7 = 343/350 - Subtract the two like fractions:
250/350 - 343/350 = 250 - 343/350 = -93/350
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/7-49/50 5/7-98/50 5/14-49/50 15/7-49/50 5/21-49/50 25/7-49/50 5/35-49/50 35/7-49/50 5/49-49/50