Subtract 21/10 from 49/3
1st number: 16 1/3, 2nd number: 2 1/10
49/3 - 21/10 is 427/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 3 × 10 = 30,
49/3 = 49 × 10/3 × 10 = 490/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
21/10 = 21 × 3/10 × 3 = 63/30 - Subtract the two like fractions:
490/30 - 63/30 = 490 - 63/30 = 427/30 - In mixed form: 147/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/3-21/10 49/3-42/10 49/6-21/10 49/3-21/20 49/3-63/10 49/9-21/10 49/3-21/30 49/15-21/10 49/3-21/50 49/21-21/10 49/3-21/70