Subtract 54/9 from 12/3
1st number: 4 0/3, 2nd number: 6 0/9
12/3 - 54/9 is -2/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 9 is 9
Next, find the equivalent fraction of both fractional numbers with denominator 9 - For the 1st fraction, since 3 × 3 = 9,
12/3 = 12 × 3/3 × 3 = 36/9 - Likewise, for the 2nd fraction, since 9 × 1 = 9,
54/9 = 54 × 1/9 × 1 = 54/9 - Subtract the two like fractions:
36/9 - 54/9 = 36 - 54/9 = -18/9 - After reducing the fraction, the answer is -2/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/3-54/9 12/6-54/9 12/3-54/18 36/3-54/9 12/9-54/9 12/3-54/27 60/3-54/9 12/15-54/9 12/3-54/45 84/3-54/9 12/21-54/9 12/3-54/63