Subtract 3/12 from 54/18
1st number: 3 0/18, 2nd number: 3/12
54/18 - 3/12 is 11/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 18 × 2 = 36,
54/18 = 54 × 2/18 × 2 = 108/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
3/12 = 3 × 3/12 × 3 = 9/36 - Subtract the two like fractions:
108/36 - 9/36 = 108 - 9/36 = 99/36 - After reducing the fraction, the answer is 11/4
- In mixed form: 23/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/18-6/12 54/36-3/12 54/18-3/24 54/18-9/12 54/18-3/36 54/18-15/12 54/90-3/12 54/18-3/60 54/18-21/12 54/18-3/84