Subtract 6/98 from 10/21
10/21 - 6/98 is 61/147.
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,
10/21 = 10 × 14/21 × 14 = 140/294 - Likewise, for the 2nd fraction, since 98 × 3 = 294,
6/98 = 6 × 3/98 × 3 = 18/294 - Subtract the two like fractions:
140/294 - 18/294 = 140 - 18/294 = 122/294 - After reducing the fraction, the answer is 61/147
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/21-6/98 10/21-12/98 10/42-6/98 30/21-6/98 10/21-18/98 10/63-6/98 50/21-6/98 10/21-30/98 70/21-6/98 10/21-42/98