Subtract 8/36 from 7/8
7/8 - 8/36 is 47/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 36 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
7/8 = 7 × 9/8 × 9 = 63/72 - Likewise, for the 2nd fraction, since 36 × 2 = 72,
8/36 = 8 × 2/36 × 2 = 16/72 - Subtract the two like fractions:
63/72 - 16/72 = 63 - 16/72 = 47/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/8-8/36 7/8-16/36 7/16-8/36 7/8-8/72 21/8-8/36 7/8-24/36 7/24-8/36 35/8-8/36 7/8-40/36 7/40-8/36 49/8-8/36 7/8-56/36 7/56-8/36