Subtract 8/5 from 40/2
1st number: 20 0/2, 2nd number: 1 3/5
40/2 - 8/5 is 92/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 5 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 2 × 5 = 10,
40/2 = 40 × 5/2 × 5 = 200/10 - Likewise, for the 2nd fraction, since 5 × 2 = 10,
8/5 = 8 × 2/5 × 2 = 16/10 - Subtract the two like fractions:
200/10 - 16/10 = 200 - 16/10 = 184/10 - After reducing the fraction, the answer is 92/5
- In mixed form: 182/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/2-8/5 40/2-16/5 40/4-8/5 40/2-8/10 40/2-24/5 40/6-8/5 40/2-8/15 40/2-40/5 40/10-8/5 40/2-8/25 40/2-56/5 40/14-8/5 40/2-8/35