Subtract 8/54 from 70/9
1st number: 7 7/9, 2nd number: 8/54
70/9 - 8/54 is 206/27.
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,
70/9 = 70 × 6/9 × 6 = 420/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
8/54 = 8 × 1/54 × 1 = 8/54 - Subtract the two like fractions:
420/54 - 8/54 = 420 - 8/54 = 412/54 - After reducing the fraction, the answer is 206/27
- In mixed form: 717/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/9-16/54 70/18-8/54 70/9-24/54 70/27-8/54 70/9-40/54 70/45-8/54 70/9-56/54 70/63-8/54