Subtract 28/60 from 3/9
3/9 - 28/60 is -2/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 9 × 20 = 180,
3/9 = 3 × 20/9 × 20 = 60/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
28/60 = 28 × 3/60 × 3 = 84/180 - Subtract the two like fractions:
60/180 - 84/180 = 60 - 84/180 = -24/180 - After reducing the fraction, the answer is -2/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/9-28/60 3/9-56/60 3/18-28/60 3/9-84/60 3/27-28/60 15/9-28/60 3/45-28/60 21/9-28/60 3/63-28/60