Subtract 5/18 from 28/16
1st number: 1 12/16, 2nd number: 5/18
28/16 - 5/18 is 53/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 18 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 16 × 9 = 144,
28/16 = 28 × 9/16 × 9 = 252/144 - Likewise, for the 2nd fraction, since 18 × 8 = 144,
5/18 = 5 × 8/18 × 8 = 40/144 - Subtract the two like fractions:
252/144 - 40/144 = 252 - 40/144 = 212/144 - After reducing the fraction, the answer is 53/36
- In mixed form: 117/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/16-5/18 28/16-10/18 28/32-5/18 28/16-5/36 84/16-5/18 28/16-15/18 28/48-5/18 28/16-5/54 28/16-25/18 28/80-5/18 28/16-5/90 28/16-35/18