Subtract 12/80 from 35/9
1st number: 3 8/9, 2nd number: 12/80
35/9 - 12/80 is 673/180.
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,
35/9 = 35 × 80/9 × 80 = 2800/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
12/80 = 12 × 9/80 × 9 = 108/720 - Subtract the two like fractions:
2800/720 - 108/720 = 2800 - 108/720 = 2692/720 - After reducing the fraction, the answer is 673/180
- In mixed form: 3133/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/9-12/80 35/9-24/80 35/18-12/80 35/9-36/80 35/27-12/80 35/9-60/80 35/45-12/80 35/9-84/80 35/63-12/80