Subtract 90/8 from 7/6
1st number: 1 1/6, 2nd number: 11 2/8
7/6 - 90/8 is -121/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 8 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 6 × 4 = 24,
7/6 = 7 × 4/6 × 4 = 28/24 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
90/8 = 90 × 3/8 × 3 = 270/24 - Subtract the two like fractions:
28/24 - 270/24 = 28 - 270/24 = -242/24 - After reducing the fraction, the answer is -121/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/6-90/8 7/12-90/8 7/6-90/16 21/6-90/8 7/18-90/8 7/6-90/24 35/6-90/8 7/30-90/8 7/6-90/40 49/6-90/8 7/42-90/8 7/6-90/56