Subtract 20/54 from 84/9
1st number: 9 3/9, 2nd number: 20/54
84/9 - 20/54 is 242/27.
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,
84/9 = 84 × 6/9 × 6 = 504/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
20/54 = 20 × 1/54 × 1 = 20/54 - Subtract the two like fractions:
504/54 - 20/54 = 504 - 20/54 = 484/54 - After reducing the fraction, the answer is 242/27
- In mixed form: 826/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/9-40/54 84/18-20/54 84/9-60/54 84/27-20/54 84/45-20/54 84/63-20/54