Subtract 45/12 from 9/6
1st number: 1 3/6, 2nd number: 3 9/12
9/6 - 45/12 is -9/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 6 × 2 = 12,
9/6 = 9 × 2/6 × 2 = 18/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
45/12 = 45 × 1/12 × 1 = 45/12 - Subtract the two like fractions:
18/12 - 45/12 = 18 - 45/12 = -27/12 - After reducing the fraction, the answer is -9/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/6-45/12 9/6-90/12 9/12-45/12 9/6-45/24 27/6-45/12 9/18-45/12 9/6-45/36 45/6-45/12 9/30-45/12 9/6-45/60 63/6-45/12 9/42-45/12 9/6-45/84