Subtract 8/6 from 90/20
1st number: 4 10/20, 2nd number: 1 2/6
90/20 - 8/6 is 19/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 6 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
90/20 = 90 × 3/20 × 3 = 270/60 - Likewise, for the 2nd fraction, since 6 × 10 = 60,
8/6 = 8 × 10/6 × 10 = 80/60 - Subtract the two like fractions:
270/60 - 80/60 = 270 - 80/60 = 190/60 - After reducing the fraction, the answer is 19/6
- In mixed form: 31/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/20-16/6 90/40-8/6 90/20-8/12 90/20-24/6 90/60-8/6 90/20-8/18 90/20-40/6 90/20-8/30 90/20-56/6 90/20-8/42