Subtract 9/36 from 28/10
1st number: 2 8/10, 2nd number: 9/36
28/10 - 9/36 is 51/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 10 × 18 = 180,
28/10 = 28 × 18/10 × 18 = 504/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
9/36 = 9 × 5/36 × 5 = 45/180 - Subtract the two like fractions:
504/180 - 45/180 = 504 - 45/180 = 459/180 - After reducing the fraction, the answer is 51/20
- In mixed form: 211/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/10-9/36 28/10-18/36 28/20-9/36 28/10-9/72 84/10-9/36 28/10-27/36 28/30-9/36 28/10-45/36 28/50-9/36 28/10-63/36 28/70-9/36