Subtract 35/7 from 1/80
1st number: 1/80, 2nd number: 5 0/7
1/80 - 35/7 is -399/80.
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,
1/80 = 1 × 7/80 × 7 = 7/560 - Likewise, for the 2nd fraction, since 7 × 80 = 560,
35/7 = 35 × 80/7 × 80 = 2800/560 - Subtract the two like fractions:
7/560 - 2800/560 = 7 - 2800/560 = -2793/560 - After reducing the fraction, the answer is -399/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/80-35/7 1/80-70/7 1/80-35/14 3/80-35/7 1/80-35/21 5/80-35/7 7/80-35/7 1/80-35/49