Subtract 35/80 from 5/7
5/7 - 35/80 is 31/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 7 × 80 = 560,
5/7 = 5 × 80/7 × 80 = 400/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
35/80 = 35 × 7/80 × 7 = 245/560 - Subtract the two like fractions:
400/560 - 245/560 = 400 - 245/560 = 155/560 - After reducing the fraction, the answer is 31/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/7-35/80 5/7-70/80 5/14-35/80 15/7-35/80 5/21-35/80 25/7-35/80 5/35-35/80 35/7-35/80 5/49-35/80