Subtract 15/30 from 80/12
1st number: 6 8/12, 2nd number: 15/30
80/12 - 15/30 is 37/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
80/12 = 80 × 5/12 × 5 = 400/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
15/30 = 15 × 2/30 × 2 = 30/60 - Subtract the two like fractions:
400/60 - 30/60 = 400 - 30/60 = 370/60 - After reducing the fraction, the answer is 37/6
- In mixed form: 61/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/24-15/30 80/12-15/60 80/12-45/30 80/36-15/30 80/12-15/90 80/12-75/30 80/60-15/30 80/84-15/30