Subtract 18/10 from 5/9
1st number: 5/9, 2nd number: 1 8/10
5/9 - 18/10 is -56/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
5/9 = 5 × 10/9 × 10 = 50/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
18/10 = 18 × 9/10 × 9 = 162/90 - Subtract the two like fractions:
50/90 - 162/90 = 50 - 162/90 = -112/90 - After reducing the fraction, the answer is -56/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/9-18/10 5/9-36/10 5/18-18/10 5/9-18/20 15/9-18/10 5/9-54/10 5/27-18/10 5/9-18/30 25/9-18/10 5/9-90/10 5/45-18/10 5/9-18/50 35/9-18/10 5/63-18/10 5/9-18/70