Subtract 80/12 from 3/30
1st number: 3/30, 2nd number: 6 8/12
3/30 - 80/12 is -197/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
3/30 = 3 × 2/30 × 2 = 6/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
80/12 = 80 × 5/12 × 5 = 400/60 - Subtract the two like fractions:
6/60 - 400/60 = 6 - 400/60 = -394/60 - After reducing the fraction, the answer is -197/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/30-80/12 3/60-80/12 3/30-80/24 9/30-80/12 3/90-80/12 3/30-80/36 15/30-80/12 3/30-80/60 21/30-80/12 3/30-80/84