Subtract 45/24 from 15/2
1st number: 7 1/2, 2nd number: 1 21/24
15/2 - 45/24 is 45/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 24 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 2 × 12 = 24,
15/2 = 15 × 12/2 × 12 = 180/24 - Likewise, for the 2nd fraction, since 24 × 1 = 24,
45/24 = 45 × 1/24 × 1 = 45/24 - Subtract the two like fractions:
180/24 - 45/24 = 180 - 45/24 = 135/24 - After reducing the fraction, the answer is 45/8
- In mixed form: 55/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/2-45/24 15/2-90/24 15/4-45/24 15/2-45/48 45/2-45/24 15/6-45/24 15/2-45/72 75/2-45/24 15/10-45/24 15/14-45/24