Subtract 20/90 from 60/36
1st number: 1 24/36, 2nd number: 20/90
60/36 - 20/90 is 13/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
60/36 = 60 × 5/36 × 5 = 300/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
20/90 = 20 × 2/90 × 2 = 40/180 - Subtract the two like fractions:
300/180 - 40/180 = 300 - 40/180 = 260/180 - After reducing the fraction, the answer is 13/9
- In mixed form: 14/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/36-40/90 60/72-20/90 60/36-60/90