Subtract 12/6 from 42/12
1st number: 3 6/12, 2nd number: 2 0/6
42/12 - 12/6 is 3/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 6 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 12 × 1 = 12,
42/12 = 42 × 1/12 × 1 = 42/12 - Likewise, for the 2nd fraction, since 6 × 2 = 12,
12/6 = 12 × 2/6 × 2 = 24/12 - Subtract the two like fractions:
42/12 - 24/12 = 42 - 24/12 = 18/12 - After reducing the fraction, the answer is 3/2
- In mixed form: 11/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/12-12/6 42/12-24/6 42/24-12/6 42/12-36/6 42/36-12/6 42/12-12/18 42/12-60/6 42/60-12/6 42/12-12/30 42/12-84/6 42/84-12/6 42/12-12/42