Subtract 28/60 from 12/18
12/18 - 28/60 is 1/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 18 × 10 = 180,
12/18 = 12 × 10/18 × 10 = 120/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
28/60 = 28 × 3/60 × 3 = 84/180 - Subtract the two like fractions:
120/180 - 84/180 = 120 - 84/180 = 36/180 - After reducing the fraction, the answer is 1/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/18-28/60 12/18-56/60 12/36-28/60 36/18-28/60 12/18-84/60 12/54-28/60 60/18-28/60 12/90-28/60 84/18-28/60