Subtract 20/80 from 14/9
1st number: 1 5/9, 2nd number: 20/80
14/9 - 20/80 is 47/36.
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,
14/9 = 14 × 80/9 × 80 = 1120/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
20/80 = 20 × 9/80 × 9 = 180/720 - Subtract the two like fractions:
1120/720 - 180/720 = 1120 - 180/720 = 940/720 - After reducing the fraction, the answer is 47/36
- In mixed form: 111/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/9-20/80 14/9-40/80 14/18-20/80 42/9-20/80 14/9-60/80 14/27-20/80 70/9-20/80 14/45-20/80 98/9-20/80 14/63-20/80