Subtract 10/15 from 16/18
16/18 - 10/15 is 2/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 15 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 15 × 6 = 90,
10/15 = 10 × 6/15 × 6 = 60/90 - Subtract the two like fractions:
80/90 - 60/90 = 80 - 60/90 = 20/90 - After reducing the fraction, the answer is 2/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/18-10/15 16/18-20/15 16/36-10/15 16/18-10/30 48/18-10/15 16/18-30/15 16/54-10/15 16/18-10/45 80/18-10/15 16/18-50/15 16/90-10/15 16/18-10/75 16/18-70/15