Subtract 8/80 from 1/8
1/8 - 8/80 is 1/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 8 × 10 = 80,
1/8 = 1 × 10/8 × 10 = 10/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
8/80 = 8 × 1/80 × 1 = 8/80 - Subtract the two like fractions:
10/80 - 8/80 = 10 - 8/80 = 2/80 - After reducing the fraction, the answer is 1/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/8-8/80 1/8-16/80 1/16-8/80 3/8-8/80 1/8-24/80 1/24-8/80 5/8-8/80 1/8-40/80 1/40-8/80 7/8-8/80 1/8-56/80 1/56-8/80