Subtract 8/9 from 6/80
6/80 - 8/9 is -293/360.
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,
6/80 = 6 × 9/80 × 9 = 54/720 - Likewise, for the 2nd fraction, since 9 × 80 = 720,
8/9 = 8 × 80/9 × 80 = 640/720 - Subtract the two like fractions:
54/720 - 640/720 = 54 - 640/720 = -586/720 - After reducing the fraction, the answer is -293/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/80-8/9 6/80-16/9 6/80-8/18 18/80-8/9 6/80-24/9 6/80-8/27 30/80-8/9 6/80-40/9 6/80-8/45 42/80-8/9 6/80-56/9 6/80-8/63