Subtract 8/9 from 80/4
1st number: 20 0/4, 2nd number: 8/9
80/4 - 8/9 is 172/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 9 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
80/4 = 80 × 9/4 × 9 = 720/36 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
8/9 = 8 × 4/9 × 4 = 32/36 - Subtract the two like fractions:
720/36 - 32/36 = 720 - 32/36 = 688/36 - After reducing the fraction, the answer is 172/9
- In mixed form: 191/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/4-16/9 80/8-8/9 80/4-8/18 80/4-24/9 80/12-8/9 80/4-8/27 80/4-40/9 80/20-8/9 80/4-8/45 80/4-56/9 80/28-8/9 80/4-8/63