Subtract 8/45 from 8/9
8/9 - 8/45 is 32/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
8/9 = 8 × 5/9 × 5 = 40/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
8/45 = 8 × 1/45 × 1 = 8/45 - Subtract the two like fractions:
40/45 - 8/45 = 40 - 8/45 = 32/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/9-8/45 8/9-16/45 8/18-8/45 8/9-8/90 24/9-8/45 8/9-24/45 8/27-8/45 40/9-8/45 8/9-40/45 8/45-8/45 56/9-8/45 8/9-56/45 8/63-8/45