Subtract 5/7 from 6/80
6/80 - 5/7 is -179/280.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 7 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 80 × 7 = 560,
6/80 = 6 × 7/80 × 7 = 42/560 - Likewise, for the 2nd fraction, since 7 × 80 = 560,
5/7 = 5 × 80/7 × 80 = 400/560 - Subtract the two like fractions:
42/560 - 400/560 = 42 - 400/560 = -358/560 - After reducing the fraction, the answer is -179/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/80-5/7 6/80-10/7 6/80-5/14 18/80-5/7 6/80-15/7 6/80-5/21 30/80-5/7 6/80-25/7 6/80-5/35 42/80-5/7 6/80-35/7 6/80-5/49