Subtract 4/10 from 2/18
2/18 - 4/10 is -13/45.
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,
2/18 = 2 × 5/18 × 5 = 10/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
4/10 = 4 × 9/10 × 9 = 36/90 - Subtract the two like fractions:
10/90 - 36/90 = 10 - 36/90 = -26/90 - After reducing the fraction, the answer is -13/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/18-4/10 2/18-8/10 2/36-4/10 2/18-4/20 6/18-4/10 2/18-12/10 2/54-4/10 2/18-4/30 10/18-4/10 2/18-20/10 2/90-4/10 2/18-4/50 14/18-4/10 2/18-28/10 2/18-4/70