Subtract 8/36 from 5/7
5/7 - 8/36 is 31/63.
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,
5/7 = 5 × 36/7 × 36 = 180/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
8/36 = 8 × 7/36 × 7 = 56/252 - Subtract the two like fractions:
180/252 - 56/252 = 180 - 56/252 = 124/252 - After reducing the fraction, the answer is 31/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/7-8/36 5/7-16/36 5/14-8/36 5/7-8/72 15/7-8/36 5/7-24/36 5/21-8/36 25/7-8/36 5/7-40/36 5/35-8/36 35/7-8/36 5/7-56/36 5/49-8/36