Subtract 9/8 from 54/12
1st number: 4 6/12, 2nd number: 1 1/8
54/12 - 9/8 is 27/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 8 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 12 × 2 = 24,
54/12 = 54 × 2/12 × 2 = 108/24 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
9/8 = 9 × 3/8 × 3 = 27/24 - Subtract the two like fractions:
108/24 - 27/24 = 108 - 27/24 = 81/24 - 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: 54/12-18/8 54/24-9/8 54/12-9/16 54/12-27/8 54/36-9/8 54/12-9/24 54/12-45/8 54/60-9/8 54/12-9/40 54/12-63/8 54/84-9/8 54/12-9/56