Subtract 6/3 from 45/12
1st number: 3 9/12, 2nd number: 2 0/3
45/12 - 6/3 is 7/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 3 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 12 × 1 = 12,
45/12 = 45 × 1/12 × 1 = 45/12 - Likewise, for the 2nd fraction, since 3 × 4 = 12,
6/3 = 6 × 4/3 × 4 = 24/12 - Subtract the two like fractions:
45/12 - 24/12 = 45 - 24/12 = 21/12 - After reducing the fraction, the answer is 7/4
- In mixed form: 13/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/12-6/3 45/12-12/3 45/24-6/3 45/12-18/3 45/36-6/3 45/12-6/9 45/12-30/3 45/60-6/3 45/12-6/15 45/12-42/3 45/84-6/3 45/12-6/21