Subtract 8/40 from 40/2
1st number: 20 0/2, 2nd number: 8/40
40/2 - 8/40 is 99/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 2 × 20 = 40,
40/2 = 40 × 20/2 × 20 = 800/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
8/40 = 8 × 1/40 × 1 = 8/40 - Subtract the two like fractions:
800/40 - 8/40 = 800 - 8/40 = 792/40 - After reducing the fraction, the answer is 99/5
- In mixed form: 194/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/2-8/40 40/2-16/40 40/4-8/40 40/2-8/80 40/2-24/40 40/6-8/40 40/10-8/40 40/2-56/40 40/14-8/40