Subtract 12/18 from 5/10
5/10 - 12/18 is -1/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
5/10 = 5 × 9/10 × 9 = 45/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
12/18 = 12 × 5/18 × 5 = 60/90 - Subtract the two like fractions:
45/90 - 60/90 = 45 - 60/90 = -15/90 - After reducing the fraction, the answer is -1/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 5/10-24/18 5/20-12/18 5/10-12/36 15/10-12/18 5/10-36/18 5/30-12/18 5/10-12/54 25/10-12/18 5/10-60/18 5/50-12/18 5/10-12/90 35/10-12/18 5/10-84/18 5/70-12/18