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