Subtract 10/36 from 28/80
28/80 - 10/36 is 13/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 36 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
28/80 = 28 × 9/80 × 9 = 252/720 - Likewise, for the 2nd fraction, since 36 × 20 = 720,
10/36 = 10 × 20/36 × 20 = 200/720 - Subtract the two like fractions:
252/720 - 200/720 = 252 - 200/720 = 52/720 - After reducing the fraction, the answer is 13/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/80-10/36 28/80-20/36 28/80-10/72 84/80-10/36 28/80-30/36 28/80-50/36 28/80-70/36