Subtract 6/21 from 98/70
1st number: 1 28/70, 2nd number: 6/21
98/70 - 6/21 is 39/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 21 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
98/70 = 98 × 3/70 × 3 = 294/210 - Likewise, for the 2nd fraction, since 21 × 10 = 210,
6/21 = 6 × 10/21 × 10 = 60/210 - Subtract the two like fractions:
294/210 - 60/210 = 294 - 60/210 = 234/210 - After reducing the fraction, the answer is 39/35
- In mixed form: 14/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/70-12/21 98/70-6/42 98/70-18/21 98/70-6/63 98/70-30/21 98/70-42/21