Subtract 20/54 from 2/36
2/36 - 20/54 is -17/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 54 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 36 × 3 = 108,
2/36 = 2 × 3/36 × 3 = 6/108 - Likewise, for the 2nd fraction, since 54 × 2 = 108,
20/54 = 20 × 2/54 × 2 = 40/108 - Subtract the two like fractions:
6/108 - 40/108 = 6 - 40/108 = -34/108 - After reducing the fraction, the answer is -17/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/36-20/54 2/36-40/54 2/72-20/54 6/36-20/54 2/36-60/54 10/36-20/54 14/36-20/54