Subtract 6/9 from 54/18
1st number: 3 0/18, 2nd number: 6/9
54/18 - 6/9 is 7/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 18 × 1 = 18,
54/18 = 54 × 1/18 × 1 = 54/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
6/9 = 6 × 2/9 × 2 = 12/18 - Subtract the two like fractions:
54/18 - 12/18 = 54 - 12/18 = 42/18 - After reducing the fraction, the answer is 7/3
- In mixed form: 21/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/18-12/9 54/36-6/9 54/18-6/18 54/18-18/9 54/18-6/27 54/18-30/9 54/90-6/9 54/18-6/45 54/18-42/9 54/18-6/63