Subtract 5/36 from 28/18
1st number: 1 10/18, 2nd number: 5/36
28/18 - 5/36 is 17/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 18 × 2 = 36,
28/18 = 28 × 2/18 × 2 = 56/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
5/36 = 5 × 1/36 × 1 = 5/36 - Subtract the two like fractions:
56/36 - 5/36 = 56 - 5/36 = 51/36 - After reducing the fraction, the answer is 17/12
- In mixed form: 15/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/18-5/36 28/18-10/36 28/36-5/36 28/18-5/72 84/18-5/36 28/18-15/36 28/54-5/36 28/18-25/36 28/90-5/36 28/18-35/36