Subtract 49/50 from 21/7
1st number: 3 0/7, 2nd number: 49/50
21/7 - 49/50 is 101/50.
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,
21/7 = 21 × 50/7 × 50 = 1050/350 - Likewise, for the 2nd fraction, since 50 × 7 = 350,
49/50 = 49 × 7/50 × 7 = 343/350 - Subtract the two like fractions:
1050/350 - 343/350 = 1050 - 343/350 = 707/350 - After reducing the fraction, the answer is 101/50
- In mixed form: 21/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/7-49/50 21/7-98/50 21/14-49/50 63/7-49/50 21/35-49/50 21/49-49/50