Subtract 70/7 from 80/5
1st number: 16 0/5, 2nd number: 10 0/7
80/5 - 70/7 is 6/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 7 is 35
Next, find the equivalent fraction of both fractional numbers with denominator 35 - For the 1st fraction, since 5 × 7 = 35,
80/5 = 80 × 7/5 × 7 = 560/35 - Likewise, for the 2nd fraction, since 7 × 5 = 35,
70/7 = 70 × 5/7 × 5 = 350/35 - Subtract the two like fractions:
560/35 - 350/35 = 560 - 350/35 = 210/35 - After reducing the fraction, the answer is 6/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/10-70/7 80/5-70/14 80/15-70/7 80/5-70/21 80/25-70/7 80/5-70/35 80/35-70/7 80/5-70/49