Subtract 5/36 from 20/8
1st number: 2 4/8, 2nd number: 5/36
20/8 - 5/36 is 85/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 36 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
20/8 = 20 × 9/8 × 9 = 180/72 - Likewise, for the 2nd fraction, since 36 × 2 = 72,
5/36 = 5 × 2/36 × 2 = 10/72 - Subtract the two like fractions:
180/72 - 10/72 = 180 - 10/72 = 170/72 - After reducing the fraction, the answer is 85/36
- In mixed form: 213/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/8-5/36 20/8-10/36 20/16-5/36 20/8-5/72 60/8-5/36 20/8-15/36 20/24-5/36 20/8-25/36 20/40-5/36 20/8-35/36 20/56-5/36