Subtract 6/21 from 49/20
1st number: 2 9/20, 2nd number: 6/21
49/20 - 6/21 is 303/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 21 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 20 × 21 = 420,
49/20 = 49 × 21/20 × 21 = 1029/420 - Likewise, for the 2nd fraction, since 21 × 20 = 420,
6/21 = 6 × 20/21 × 20 = 120/420 - Subtract the two like fractions:
1029/420 - 120/420 = 1029 - 120/420 = 909/420 - After reducing the fraction, the answer is 303/140
- In mixed form: 223/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/20-6/21 49/20-12/21 49/40-6/21 49/20-6/42 49/20-18/21 49/60-6/21 49/20-6/63 49/20-30/21 49/20-42/21