Subtract 80/12 from 54/3
1st number: 18 0/3, 2nd number: 6 8/12
54/3 - 80/12 is 34/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 3 × 4 = 12,
54/3 = 54 × 4/3 × 4 = 216/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
80/12 = 80 × 1/12 × 1 = 80/12 - Subtract the two like fractions:
216/12 - 80/12 = 216 - 80/12 = 136/12 - After reducing the fraction, the answer is 34/3
- In mixed form: 111/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/6-80/12 54/3-80/24 54/9-80/12 54/3-80/36 54/15-80/12 54/3-80/60 54/21-80/12 54/3-80/84