Subtract 40/14 from 7/36
1st number: 7/36, 2nd number: 2 12/14
7/36 - 40/14 is -671/252.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 14 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
7/36 = 7 × 7/36 × 7 = 49/252 - Likewise, for the 2nd fraction, since 14 × 18 = 252,
40/14 = 40 × 18/14 × 18 = 720/252 - Subtract the two like fractions:
49/252 - 720/252 = 49 - 720/252 = -671/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/36-40/14 7/36-80/14 7/72-40/14 7/36-40/28 21/36-40/14 7/36-40/42 35/36-40/14 7/36-40/70 49/36-40/14 7/36-40/98