Subtract 80/10 from 2/7
1st number: 2/7, 2nd number: 8 0/10
2/7 - 80/10 is -54/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 7 × 10 = 70,
2/7 = 2 × 10/7 × 10 = 20/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
80/10 = 80 × 7/10 × 7 = 560/70 - Subtract the two like fractions:
20/70 - 560/70 = 20 - 560/70 = -540/70 - After reducing the fraction, the answer is -54/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/7-80/10 2/14-80/10 2/7-80/20 6/7-80/10 2/21-80/10 2/7-80/30 10/7-80/10 2/35-80/10 2/7-80/50 14/7-80/10 2/49-80/10 2/7-80/70