Subtract 7/28 from 2/36
2/36 - 7/28 is -7/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
2/36 = 2 × 7/36 × 7 = 14/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
7/28 = 7 × 9/28 × 9 = 63/252 - Subtract the two like fractions:
14/252 - 63/252 = 14 - 63/252 = -49/252 - After reducing the fraction, the answer is -7/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/36-7/28 2/36-14/28 2/72-7/28 2/36-7/56 6/36-7/28 2/36-21/28 2/36-7/84 10/36-7/28 2/36-35/28 14/36-7/28 2/36-49/28