Subtract 35/49 from 3/12, Solve 3/12

Subtract 35/49 from 3/12

3/12 - 35/49 is -13/28.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 49 is 588

Next, find the equivalent fraction of both fractional numbers with denominator 588
For the 1st fraction, since 12 × 49 = 588,
3/12 = 3 × 49/12 × 49 = 147/588
Likewise, for the 2nd fraction, since 49 × 12 = 588,
35/49 = 35 × 12/49 × 12 = 420/588
Subtract the two like fractions:
147/588 - 420/588 = 147 - 420/588 = -273/588
After reducing the fraction, the answer is -13/28

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad