Subtract 90/10 from 20/6
1st number: 3 2/6, 2nd number: 9 0/10
20/6 - 90/10 is -17/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 6 × 5 = 30,
20/6 = 20 × 5/6 × 5 = 100/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
90/10 = 90 × 3/10 × 3 = 270/30 - Subtract the two like fractions:
100/30 - 270/30 = 100 - 270/30 = -170/30 - After reducing the fraction, the answer is -17/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/6-90/10 20/12-90/10 20/6-90/20 60/6-90/10 20/18-90/10 20/6-90/30 20/30-90/10 20/6-90/50 20/42-90/10 20/6-90/70