Subtract 20/5 from 1/36
1st number: 1/36, 2nd number: 4 0/5
1/36 - 20/5 is -143/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 5 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
1/36 = 1 × 5/36 × 5 = 5/180 - Likewise, for the 2nd fraction, since 5 × 36 = 180,
20/5 = 20 × 36/5 × 36 = 720/180 - Subtract the two like fractions:
5/180 - 720/180 = 5 - 720/180 = -715/180 - After reducing the fraction, the answer is -143/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/36-20/5 1/36-40/5 1/72-20/5 1/36-20/10 3/36-20/5 1/36-60/5 1/36-20/15 5/36-20/5 1/36-20/25 7/36-20/5 1/36-20/35