Subtract 1/30 from 4/12
4/12 - 1/30 is 3/10.
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,
4/12 = 4 × 5/12 × 5 = 20/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
1/30 = 1 × 2/30 × 2 = 2/60 - Subtract the two like fractions:
20/60 - 2/60 = 20 - 2/60 = 18/60 - After reducing the fraction, the answer is 3/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/12-1/30 4/12-2/30 4/24-1/30 4/12-1/60 4/12-3/30 4/36-1/30 4/12-1/90 20/12-1/30 4/12-5/30 4/60-1/30 28/12-1/30 4/12-7/30 4/84-1/30