Subtract 40/49 from 2/84
2/84 - 40/49 is -233/294.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 49 is 588
Next, find the equivalent fraction of both fractional numbers with denominator 588 - For the 1st fraction, since 84 × 7 = 588,
2/84 = 2 × 7/84 × 7 = 14/588 - Likewise, for the 2nd fraction, since 49 × 12 = 588,
40/49 = 40 × 12/49 × 12 = 480/588 - Subtract the two like fractions:
14/588 - 480/588 = 14 - 480/588 = -466/588 - After reducing the fraction, the answer is -233/294
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/84-40/49 2/84-80/49 2/84-40/98 6/84-40/49 10/84-40/49 14/84-40/49