Subtract 8/18 from 45/9
1st number: 5 0/9, 2nd number: 8/18
45/9 - 8/18 is 41/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 9 × 2 = 18,
45/9 = 45 × 2/9 × 2 = 90/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
8/18 = 8 × 1/18 × 1 = 8/18 - Subtract the two like fractions:
90/18 - 8/18 = 90 - 8/18 = 82/18 - After reducing the fraction, the answer is 41/9
- In mixed form: 45/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/9-8/18 45/9-16/18 45/18-8/18 45/9-8/36 45/9-24/18 45/27-8/18 45/9-8/54 45/9-40/18 45/9-8/90 45/9-56/18 45/63-8/18