Subtract 40/54 from 28/9
1st number: 3 1/9, 2nd number: 40/54
28/9 - 40/54 is 64/27.
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,
28/9 = 28 × 6/9 × 6 = 168/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
40/54 = 40 × 1/54 × 1 = 40/54 - Subtract the two like fractions:
168/54 - 40/54 = 168 - 40/54 = 128/54 - After reducing the fraction, the answer is 64/27
- In mixed form: 210/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/9-40/54 28/9-80/54 28/18-40/54 84/9-40/54 28/27-40/54 28/45-40/54 28/63-40/54