Subtract 20/6 from 90/8
1st number: 11 2/8, 2nd number: 3 2/6
90/8 - 20/6 is 95/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 6 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 8 × 3 = 24,
90/8 = 90 × 3/8 × 3 = 270/24 - Likewise, for the 2nd fraction, since 6 × 4 = 24,
20/6 = 20 × 4/6 × 4 = 80/24 - Subtract the two like fractions:
270/24 - 80/24 = 270 - 80/24 = 190/24 - After reducing the fraction, the answer is 95/12
- In mixed form: 711/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/8-40/6 90/16-20/6 90/8-20/12 90/8-60/6 90/24-20/6 90/8-20/18 90/40-20/6 90/8-20/30 90/56-20/6 90/8-20/42