Subtract 18/8 from 28/2
1st number: 14 0/2, 2nd number: 2 2/8
28/2 - 18/8 is 47/4.
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,
28/2 = 28 × 4/2 × 4 = 112/8 - Likewise, for the 2nd fraction, since 8 × 1 = 8,
18/8 = 18 × 1/8 × 1 = 18/8 - Subtract the two like fractions:
112/8 - 18/8 = 112 - 18/8 = 94/8 - After reducing the fraction, the answer is 47/4
- In mixed form: 113/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/2-18/8 28/2-36/8 28/4-18/8 28/2-18/16 84/2-18/8 28/2-54/8 28/6-18/8 28/2-18/24 28/2-90/8 28/10-18/8 28/2-18/40 28/14-18/8 28/2-18/56