Subtract 4/12 from 30/2
1st number: 15 0/2, 2nd number: 4/12
30/2 - 4/12 is 44/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 2 × 6 = 12,
30/2 = 30 × 6/2 × 6 = 180/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
4/12 = 4 × 1/12 × 1 = 4/12 - Subtract the two like fractions:
180/12 - 4/12 = 180 - 4/12 = 176/12 - After reducing the fraction, the answer is 44/3
- In mixed form: 142/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/2-4/12 30/2-8/12 30/4-4/12 30/2-4/24 90/2-4/12 30/6-4/12 30/2-4/36 30/2-20/12 30/10-4/12 30/2-4/60 30/2-28/12 30/14-4/12 30/2-4/84