Subtract 28/8 from 15/2
1st number: 7 1/2, 2nd number: 3 4/8
15/2 - 28/8 is 4/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 8 is 8
Next, find the equivalent fraction of both fractional numbers with denominator 8 - For the 1st fraction, since 2 × 4 = 8,
15/2 = 15 × 4/2 × 4 = 60/8 - Likewise, for the 2nd fraction, since 8 × 1 = 8,
28/8 = 28 × 1/8 × 1 = 28/8 - Subtract the two like fractions:
60/8 - 28/8 = 60 - 28/8 = 32/8 - After reducing the fraction, the answer is 4/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/2-28/8 15/2-56/8 15/4-28/8 15/2-28/16 45/2-28/8 15/2-84/8 15/6-28/8 15/2-28/24 75/2-28/8 15/10-28/8 15/2-28/40 15/14-28/8 15/2-28/56