Subtract 6/21 from 98/12
1st number: 8 2/12, 2nd number: 6/21
98/12 - 6/21 is 331/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 21 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
98/12 = 98 × 7/12 × 7 = 686/84 - Likewise, for the 2nd fraction, since 21 × 4 = 84,
6/21 = 6 × 4/21 × 4 = 24/84 - Subtract the two like fractions:
686/84 - 24/84 = 686 - 24/84 = 662/84 - After reducing the fraction, the answer is 331/42
- In mixed form: 737/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/12-12/21 98/24-6/21 98/12-6/42 98/12-18/21 98/36-6/21 98/12-6/63 98/12-30/21 98/60-6/21 98/12-42/21 98/84-6/21