Subtract 98/21 from 20/3
1st number: 6 2/3, 2nd number: 4 14/21
20/3 - 98/21 is 2/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 21 is 21
Next, find the equivalent fraction of both fractional numbers with denominator 21 - For the 1st fraction, since 3 × 7 = 21,
20/3 = 20 × 7/3 × 7 = 140/21 - Likewise, for the 2nd fraction, since 21 × 1 = 21,
98/21 = 98 × 1/21 × 1 = 98/21 - Subtract the two like fractions:
140/21 - 98/21 = 140 - 98/21 = 42/21 - After reducing the fraction, the answer is 2/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/3-98/21 20/6-98/21 20/3-98/42 60/3-98/21 20/9-98/21 20/3-98/63 20/15-98/21 20/21-98/21