Subtract 20/36 from 28/2
1st number: 14 0/2, 2nd number: 20/36
28/2 - 20/36 is 121/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 2 × 18 = 36,
28/2 = 28 × 18/2 × 18 = 504/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
20/36 = 20 × 1/36 × 1 = 20/36 - Subtract the two like fractions:
504/36 - 20/36 = 504 - 20/36 = 484/36 - After reducing the fraction, the answer is 121/9
- In mixed form: 134/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/2-20/36 28/2-40/36 28/4-20/36 28/2-20/72 84/2-20/36 28/2-60/36 28/6-20/36 28/10-20/36 28/14-20/36