Subtract 40/8 from 28/2
1st number: 14 0/2, 2nd number: 5 0/8
28/2 - 40/8 is 9/1.
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,
28/2 = 28 × 4/2 × 4 = 112/8 - Likewise, for the 2nd fraction, since 8 × 1 = 8,
40/8 = 40 × 1/8 × 1 = 40/8 - Subtract the two like fractions:
112/8 - 40/8 = 112 - 40/8 = 72/8 - After reducing the fraction, the answer is 9/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/2-40/8 28/2-80/8 28/4-40/8 28/2-40/16 84/2-40/8 28/6-40/8 28/2-40/24 28/10-40/8 28/14-40/8 28/2-40/56