Subtract 28/9 from 20/60
1st number: 20/60, 2nd number: 3 1/9
20/60 - 28/9 is -25/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 9 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
20/60 = 20 × 3/60 × 3 = 60/180 - Likewise, for the 2nd fraction, since 9 × 20 = 180,
28/9 = 28 × 20/9 × 20 = 560/180 - Subtract the two like fractions:
60/180 - 560/180 = 60 - 560/180 = -500/180 - After reducing the fraction, the answer is -25/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/60-28/9 20/60-56/9 20/60-28/18 20/60-84/9 20/60-28/27 20/60-28/45 20/60-28/63