Subtract 9/36 from 1/7
1/7 - 9/36 is -3/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 7 × 36 = 252,
1/7 = 1 × 36/7 × 36 = 36/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
9/36 = 9 × 7/36 × 7 = 63/252 - Subtract the two like fractions:
36/252 - 63/252 = 36 - 63/252 = -27/252 - After reducing the fraction, the answer is -3/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/7-9/36 1/7-18/36 1/14-9/36 1/7-9/72 3/7-9/36 1/7-27/36 1/21-9/36 5/7-9/36 1/7-45/36 1/35-9/36 1/7-63/36 1/49-9/36