Subtract 30/8 from 80/12
1st number: 6 8/12, 2nd number: 3 6/8
80/12 - 30/8 is 35/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 8 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 12 × 2 = 24,
80/12 = 80 × 2/12 × 2 = 160/24 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
30/8 = 30 × 3/8 × 3 = 90/24 - Subtract the two like fractions:
160/24 - 90/24 = 160 - 90/24 = 70/24 - After reducing the fraction, the answer is 35/12
- In mixed form: 211/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/12-60/8 80/24-30/8 80/12-30/16 80/12-90/8 80/36-30/8 80/12-30/24 80/60-30/8 80/12-30/40 80/84-30/8 80/12-30/56