Subtract 45/24 from 54/12
1st number: 4 6/12, 2nd number: 1 21/24
54/12 - 45/24 is 21/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 24 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 24 × 1 = 24,
45/24 = 45 × 1/24 × 1 = 45/24 - Subtract the two like fractions:
108/24 - 45/24 = 108 - 45/24 = 63/24 - After reducing the fraction, the answer is 21/8
- In mixed form: 25/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/12-90/24 54/24-45/24 54/12-45/48 54/36-45/24 54/12-45/72 54/60-45/24 54/84-45/24