Subtract 28/36 from 2/14
2/14 - 28/36 is -40/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 14 × 18 = 252,
2/14 = 2 × 18/14 × 18 = 36/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
28/36 = 28 × 7/36 × 7 = 196/252 - Subtract the two like fractions:
36/252 - 196/252 = 36 - 196/252 = -160/252 - After reducing the fraction, the answer is -40/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/14-28/36 2/14-56/36 2/28-28/36 2/14-28/72 6/14-28/36 2/14-84/36 2/42-28/36 10/14-28/36 2/70-28/36 2/98-28/36