Subtract 5/36 from 28/40
28/40 - 5/36 is 101/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 36 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
28/40 = 28 × 9/40 × 9 = 252/360 - Likewise, for the 2nd fraction, since 36 × 10 = 360,
5/36 = 5 × 10/36 × 10 = 50/360 - Subtract the two like fractions:
252/360 - 50/360 = 252 - 50/360 = 202/360 - After reducing the fraction, the answer is 101/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/40-5/36 28/40-10/36 28/80-5/36 28/40-5/72 84/40-5/36 28/40-15/36 28/40-25/36 28/40-35/36