Subtract 1/98 from 70/20
1st number: 3 10/20, 2nd number: 1/98
70/20 - 1/98 is 171/49.
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,
1/98 = 1 × 10/98 × 10 = 10/980 - Subtract the two like fractions:
3430/980 - 10/980 = 3430 - 10/980 = 3420/980 - After reducing the fraction, the answer is 171/49
- In mixed form: 324/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/20-2/98 70/40-1/98 70/20-3/98 70/60-1/98 70/20-5/98 70/20-7/98