Subtract 5/21 from 49/10
1st number: 4 9/10, 2nd number: 5/21
49/10 - 5/21 is 979/210.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 21 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 10 × 21 = 210,
49/10 = 49 × 21/10 × 21 = 1029/210 - Likewise, for the 2nd fraction, since 21 × 10 = 210,
5/21 = 5 × 10/21 × 10 = 50/210 - Subtract the two like fractions:
1029/210 - 50/210 = 1029 - 50/210 = 979/210 - In mixed form: 4139/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/10-5/21 49/10-10/21 49/20-5/21 49/10-5/42 49/10-15/21 49/30-5/21 49/10-5/63 49/10-25/21 49/50-5/21 49/10-35/21 49/70-5/21