Subtract 8/30 from 80/9
1st number: 8 8/9, 2nd number: 8/30
80/9 - 8/30 is 388/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
80/9 = 80 × 10/9 × 10 = 800/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
8/30 = 8 × 3/30 × 3 = 24/90 - Subtract the two like fractions:
800/90 - 24/90 = 800 - 24/90 = 776/90 - After reducing the fraction, the answer is 388/45
- In mixed form: 828/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/9-16/30 80/18-8/30 80/9-8/60 80/9-24/30 80/27-8/30 80/9-8/90 80/9-40/30 80/45-8/30 80/9-56/30 80/63-8/30