Subtract 16/18 from 10/5
1st number: 2 0/5, 2nd number: 16/18
10/5 - 16/18 is 10/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
10/5 = 10 × 18/5 × 18 = 180/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
16/18 = 16 × 5/18 × 5 = 80/90 - Subtract the two like fractions:
180/90 - 80/90 = 180 - 80/90 = 100/90 - After reducing the fraction, the answer is 10/9
- In mixed form: 11/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/5-16/18 10/5-32/18 10/5-16/36 30/5-16/18 10/5-48/18 10/15-16/18 10/5-16/54 50/5-16/18 10/5-80/18 10/25-16/18 10/5-16/90 70/5-16/18 10/35-16/18