Subtract 1/21 from 98/10
1st number: 9 8/10, 2nd number: 1/21
98/10 - 1/21 is 1024/105.
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,
98/10 = 98 × 21/10 × 21 = 2058/210 - Likewise, for the 2nd fraction, since 21 × 10 = 210,
1/21 = 1 × 10/21 × 10 = 10/210 - Subtract the two like fractions:
2058/210 - 10/210 = 2058 - 10/210 = 2048/210 - After reducing the fraction, the answer is 1024/105
- In mixed form: 979/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/10-2/21 98/20-1/21 98/10-1/42 98/10-3/21 98/30-1/21 98/10-1/63 98/10-5/21 98/50-1/21 98/10-7/21 98/70-1/21