Subtract 3/12 from 6/30
6/30 - 3/12 is -1/20.
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,
6/30 = 6 × 2/30 × 2 = 12/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
3/12 = 3 × 5/12 × 5 = 15/60 - Subtract the two like fractions:
12/60 - 15/60 = 12 - 15/60 = -3/60 - After reducing the fraction, the answer is -1/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/30-3/12 6/30-6/12 6/60-3/12 6/30-3/24 18/30-3/12 6/30-9/12 6/90-3/12 6/30-3/36 6/30-15/12 6/30-3/60 42/30-3/12 6/30-21/12 6/30-3/84