Subtract 18/16 from 54/12
1st number: 4 6/12, 2nd number: 1 2/16
54/12 - 18/16 is 27/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 16 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 12 × 4 = 48,
54/12 = 54 × 4/12 × 4 = 216/48 - Likewise, for the 2nd fraction, since 16 × 3 = 48,
18/16 = 18 × 3/16 × 3 = 54/48 - Subtract the two like fractions:
216/48 - 54/48 = 216 - 54/48 = 162/48 - After reducing the fraction, the answer is 27/8
- In mixed form: 33/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/12-36/16 54/24-18/16 54/12-18/32 54/12-54/16 54/36-18/16 54/12-18/48 54/12-90/16 54/60-18/16 54/12-18/80 54/84-18/16