Subtract 6/21 from 10/98
10/98 - 6/21 is -9/49.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 21 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 98 × 3 = 294,
10/98 = 10 × 3/98 × 3 = 30/294 - Likewise, for the 2nd fraction, since 21 × 14 = 294,
6/21 = 6 × 14/21 × 14 = 84/294 - Subtract the two like fractions:
30/294 - 84/294 = 30 - 84/294 = -54/294 - After reducing the fraction, the answer is -9/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/98-6/21 10/98-12/21 10/98-6/42 30/98-6/21 10/98-18/21 10/98-6/63 50/98-6/21 10/98-30/21 70/98-6/21 10/98-42/21