Subtract 3/7 from 80/10
1st number: 8 0/10, 2nd number: 3/7
80/10 - 3/7 is 53/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 7 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
80/10 = 80 × 7/10 × 7 = 560/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
3/7 = 3 × 10/7 × 10 = 30/70 - Subtract the two like fractions:
560/70 - 30/70 = 560 - 30/70 = 530/70 - After reducing the fraction, the answer is 53/7
- In mixed form: 74/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/10-6/7 80/20-3/7 80/10-3/14 80/10-9/7 80/30-3/7 80/10-3/21 80/10-15/7 80/50-3/7 80/10-3/35 80/10-21/7 80/70-3/7 80/10-3/49