Subtract 28/8 from 15/3
1st number: 5 0/3, 2nd number: 3 4/8
15/3 - 28/8 is 3/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 8 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 3 × 8 = 24,
15/3 = 15 × 8/3 × 8 = 120/24 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
28/8 = 28 × 3/8 × 3 = 84/24 - Subtract the two like fractions:
120/24 - 84/24 = 120 - 84/24 = 36/24 - After reducing the fraction, the answer is 3/2
- In mixed form: 11/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/3-28/8 15/3-56/8 15/6-28/8 15/3-28/16 45/3-28/8 15/3-84/8 15/9-28/8 15/3-28/24 75/3-28/8 15/3-28/40 15/21-28/8 15/3-28/56