Subtract 2/9 from 98/21
1st number: 4 14/21, 2nd number: 2/9
98/21 - 2/9 is 40/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 21 × 3 = 63,
98/21 = 98 × 3/21 × 3 = 294/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
2/9 = 2 × 7/9 × 7 = 14/63 - Subtract the two like fractions:
294/63 - 14/63 = 294 - 14/63 = 280/63 - After reducing the fraction, the answer is 40/9
- In mixed form: 44/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/21-4/9 98/42-2/9 98/21-2/18 98/21-6/9 98/63-2/9 98/21-2/27 98/21-10/9 98/21-2/45 98/21-14/9 98/21-2/63