Subtract 8/49 from 2/28
2/28 - 8/49 is -9/98.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 49 is 196
Next, find the equivalent fraction of both fractional numbers with denominator 196 - For the 1st fraction, since 28 × 7 = 196,
2/28 = 2 × 7/28 × 7 = 14/196 - Likewise, for the 2nd fraction, since 49 × 4 = 196,
8/49 = 8 × 4/49 × 4 = 32/196 - Subtract the two like fractions:
14/196 - 32/196 = 14 - 32/196 = -18/196 - After reducing the fraction, the answer is -9/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/28-8/49 2/28-16/49 2/56-8/49 2/28-8/98 6/28-8/49 2/28-24/49 2/84-8/49 10/28-8/49 2/28-40/49 14/28-8/49 2/28-56/49