Subtract 2/84 from 98/21
1st number: 4 14/21, 2nd number: 2/84
98/21 - 2/84 is 65/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 21 × 4 = 84,
98/21 = 98 × 4/21 × 4 = 392/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
2/84 = 2 × 1/84 × 1 = 2/84 - Subtract the two like fractions:
392/84 - 2/84 = 392 - 2/84 = 390/84 - After reducing the fraction, the answer is 65/14
- In mixed form: 49/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/21-4/84 98/42-2/84 98/21-6/84 98/63-2/84 98/21-10/84 98/21-14/84