Subtract 7/80 from 80/9
1st number: 8 8/9, 2nd number: 7/80
80/9 - 7/80 is 6337/720.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 9 × 80 = 720,
80/9 = 80 × 80/9 × 80 = 6400/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
7/80 = 7 × 9/80 × 9 = 63/720 - Subtract the two like fractions:
6400/720 - 63/720 = 6400 - 63/720 = 6337/720 - In mixed form: 8577/720
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/9-14/80 80/18-7/80 80/9-21/80 80/27-7/80 80/9-35/80 80/45-7/80 80/9-49/80 80/63-7/80