Subtract 7/8 from 5/80
5/80 - 7/8 is -13/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 8 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
5/80 = 5 × 1/80 × 1 = 5/80 - Likewise, for the 2nd fraction, since 8 × 10 = 80,
7/8 = 7 × 10/8 × 10 = 70/80 - Subtract the two like fractions:
5/80 - 70/80 = 5 - 70/80 = -65/80 - After reducing the fraction, the answer is -13/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/80-7/8 5/80-14/8 5/80-7/16 15/80-7/8 5/80-21/8 5/80-7/24 25/80-7/8 5/80-35/8 5/80-7/40 35/80-7/8 5/80-49/8 5/80-7/56