Subtract 10/9 from 2/80
1st number: 2/80, 2nd number: 1 1/9
2/80 - 10/9 is -391/360.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 9 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
2/80 = 2 × 9/80 × 9 = 18/720 - Likewise, for the 2nd fraction, since 9 × 80 = 720,
10/9 = 10 × 80/9 × 80 = 800/720 - Subtract the two like fractions:
18/720 - 800/720 = 18 - 800/720 = -782/720 - After reducing the fraction, the answer is -391/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/80-10/9 2/80-20/9 2/80-10/18 6/80-10/9 2/80-30/9 2/80-10/27 10/80-10/9 2/80-50/9 2/80-10/45 14/80-10/9 2/80-70/9 2/80-10/63