Subtract 8/10 from 6/18
6/18 - 8/10 is -7/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
6/18 = 6 × 5/18 × 5 = 30/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
8/10 = 8 × 9/10 × 9 = 72/90 - Subtract the two like fractions:
30/90 - 72/90 = 30 - 72/90 = -42/90 - After reducing the fraction, the answer is -7/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/18-8/10 6/18-16/10 6/36-8/10 6/18-8/20 6/18-24/10 6/54-8/10 6/18-8/30 30/18-8/10 6/18-40/10 6/90-8/10 6/18-8/50 42/18-8/10 6/18-56/10 6/18-8/70