Subtract 6/28 from 98/21
1st number: 4 14/21, 2nd number: 6/28
98/21 - 6/28 is 187/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 28 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 28 × 3 = 84,
6/28 = 6 × 3/28 × 3 = 18/84 - Subtract the two like fractions:
392/84 - 18/84 = 392 - 18/84 = 374/84 - After reducing the fraction, the answer is 187/42
- In mixed form: 419/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/21-12/28 98/42-6/28 98/21-6/56 98/21-18/28 98/63-6/28 98/21-6/84 98/21-30/28 98/21-42/28