Subtract 21/49 from 2/6
2/6 - 21/49 is -2/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 49 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 6 × 49 = 294,
2/6 = 2 × 49/6 × 49 = 98/294 - Likewise, for the 2nd fraction, since 49 × 6 = 294,
21/49 = 21 × 6/49 × 6 = 126/294 - Subtract the two like fractions:
98/294 - 126/294 = 98 - 126/294 = -28/294 - After reducing the fraction, the answer is -2/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/6-21/49 2/6-42/49 2/12-21/49 2/6-21/98 2/6-63/49 2/18-21/49 10/6-21/49 2/30-21/49 14/6-21/49 2/42-21/49