Subtract 3/18 from 80/60
1st number: 1 20/60, 2nd number: 3/18
80/60 - 3/18 is 7/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 18 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
80/60 = 80 × 3/60 × 3 = 240/180 - Likewise, for the 2nd fraction, since 18 × 10 = 180,
3/18 = 3 × 10/18 × 10 = 30/180 - Subtract the two like fractions:
240/180 - 30/180 = 240 - 30/180 = 210/180 - After reducing the fraction, the answer is 7/6
- In mixed form: 11/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/60-6/18 80/60-3/36 80/60-9/18 80/60-3/54 80/60-15/18 80/60-3/90 80/60-21/18