Subtract 6/9 from 2/80
2/80 - 6/9 is -77/120.
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,
6/9 = 6 × 80/9 × 80 = 480/720 - Subtract the two like fractions:
18/720 - 480/720 = 18 - 480/720 = -462/720 - After reducing the fraction, the answer is -77/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/80-6/9 2/80-12/9 2/80-6/18 6/80-6/9 2/80-18/9 2/80-6/27 10/80-6/9 2/80-30/9 2/80-6/45 14/80-6/9 2/80-42/9 2/80-6/63