Subtract 5/98 from 70/21
1st number: 3 7/21, 2nd number: 5/98
70/21 - 5/98 is 965/294.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 98 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 21 × 14 = 294,
70/21 = 70 × 14/21 × 14 = 980/294 - Likewise, for the 2nd fraction, since 98 × 3 = 294,
5/98 = 5 × 3/98 × 3 = 15/294 - Subtract the two like fractions:
980/294 - 15/294 = 980 - 15/294 = 965/294 - In mixed form: 383/294
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/21-10/98 70/42-5/98 70/21-15/98 70/63-5/98 70/21-25/98 70/21-35/98