Subtract 7/36 from 3/8
3/8 - 7/36 is 13/72.
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,
3/8 = 3 × 9/8 × 9 = 27/72 - Likewise, for the 2nd fraction, since 36 × 2 = 72,
7/36 = 7 × 2/36 × 2 = 14/72 - Subtract the two like fractions:
27/72 - 14/72 = 27 - 14/72 = 13/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/8-7/36 3/8-14/36 3/16-7/36 3/8-7/72 9/8-7/36 3/8-21/36 3/24-7/36 15/8-7/36 3/8-35/36 3/40-7/36 21/8-7/36 3/8-49/36 3/56-7/36