Subtract 8/21 from 3/98
3/98 - 8/21 is -103/294.
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,
3/98 = 3 × 3/98 × 3 = 9/294 - Likewise, for the 2nd fraction, since 21 × 14 = 294,
8/21 = 8 × 14/21 × 14 = 112/294 - Subtract the two like fractions:
9/294 - 112/294 = 9 - 112/294 = -103/294
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/98-8/21 3/98-16/21 3/98-8/42 9/98-8/21 3/98-24/21 3/98-8/63 15/98-8/21 3/98-40/21 21/98-8/21 3/98-56/21