Subtract 3/72 from 1/36
1/36 - 3/72 is -1/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 36 × 2 = 72,
1/36 = 1 × 2/36 × 2 = 2/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
3/72 = 3 × 1/72 × 1 = 3/72 - Subtract the two like fractions:
2/72 - 3/72 = 2 - 3/72 = -1/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/36-3/72 1/36-6/72 1/72-3/72 3/36-3/72 1/36-9/72 5/36-3/72 1/36-15/72 7/36-3/72 1/36-21/72