Subtract 18/24 from 45/4
1st number: 11 1/4, 2nd number: 18/24
45/4 - 18/24 is 21/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 24 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 4 × 6 = 24,
45/4 = 45 × 6/4 × 6 = 270/24 - Likewise, for the 2nd fraction, since 24 × 1 = 24,
18/24 = 18 × 1/24 × 1 = 18/24 - Subtract the two like fractions:
270/24 - 18/24 = 270 - 18/24 = 252/24 - After reducing the fraction, the answer is 21/2
- In mixed form: 101/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/4-18/24 45/4-36/24 45/8-18/24 45/4-18/48 45/4-54/24 45/12-18/24 45/4-18/72 45/4-90/24 45/20-18/24 45/28-18/24