Subtract 27/54 from 30/9
1st number: 3 3/9, 2nd number: 27/54
30/9 - 27/54 is 17/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 54 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 9 × 6 = 54,
30/9 = 30 × 6/9 × 6 = 180/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
27/54 = 27 × 1/54 × 1 = 27/54 - Subtract the two like fractions:
180/54 - 27/54 = 180 - 27/54 = 153/54 - After reducing the fraction, the answer is 17/6
- In mixed form: 25/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/9-27/54 30/18-27/54 90/9-27/54 30/9-81/54 30/27-27/54 30/45-27/54 30/63-27/54