Subtract 70/98 from 70/20
1st number: 3 10/20, 2nd number: 70/98
70/20 - 70/98 is 39/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 98 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 20 × 49 = 980,
70/20 = 70 × 49/20 × 49 = 3430/980 - Likewise, for the 2nd fraction, since 98 × 10 = 980,
70/98 = 70 × 10/98 × 10 = 700/980 - Subtract the two like fractions:
3430/980 - 700/980 = 3430 - 700/980 = 2730/980 - After reducing the fraction, the answer is 39/14
- In mixed form: 211/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/40-70/98 70/60-70/98