Subtract 6/54 from 20/18
1st number: 1 2/18, 2nd number: 6/54
20/18 - 6/54 is 1/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 54 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 18 × 3 = 54,
20/18 = 20 × 3/18 × 3 = 60/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
6/54 = 6 × 1/54 × 1 = 6/54 - Subtract the two like fractions:
60/54 - 6/54 = 60 - 6/54 = 54/54 - After reducing the fraction, the answer is 1/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/18-6/54 20/18-12/54 20/36-6/54 60/18-6/54 20/18-18/54 20/54-6/54 20/18-30/54 20/90-6/54 20/18-42/54