Subtract 36/7 from 80/6
1st number: 13 2/6, 2nd number: 5 1/7
80/6 - 36/7 is 172/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 7 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
80/6 = 80 × 7/6 × 7 = 560/42 - Likewise, for the 2nd fraction, since 7 × 6 = 42,
36/7 = 36 × 6/7 × 6 = 216/42 - Subtract the two like fractions:
560/42 - 216/42 = 560 - 216/42 = 344/42 - After reducing the fraction, the answer is 172/21
- In mixed form: 84/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/6-72/7 80/12-36/7 80/6-36/14 80/18-36/7 80/6-36/21 80/30-36/7 80/6-36/35 80/42-36/7 80/6-36/49