Subtract 9/18 from 54/12
1st number: 4 6/12, 2nd number: 9/18
54/12 - 9/18 is 4/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 12 × 3 = 36,
54/12 = 54 × 3/12 × 3 = 162/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
9/18 = 9 × 2/18 × 2 = 18/36 - Subtract the two like fractions:
162/36 - 18/36 = 162 - 18/36 = 144/36 - After reducing the fraction, the answer is 4/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/24-9/18 54/12-9/36 54/12-27/18 54/36-9/18 54/12-9/54 54/12-45/18 54/60-9/18 54/12-9/90 54/12-63/18 54/84-9/18