Subtract 7/90 from 80/6
1st number: 13 2/6, 2nd number: 7/90
80/6 - 7/90 is 1193/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 6 × 15 = 90,
80/6 = 80 × 15/6 × 15 = 1200/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
7/90 = 7 × 1/90 × 1 = 7/90 - Subtract the two like fractions:
1200/90 - 7/90 = 1200 - 7/90 = 1193/90 - In mixed form: 1323/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/6-14/90 80/12-7/90 80/6-21/90 80/18-7/90 80/6-35/90 80/30-7/90 80/6-49/90 80/42-7/90