Subtract 40/20 from 8/2
1st number: 4 0/2, 2nd number: 2 0/20
8/2 - 40/20 is 2/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 2 × 10 = 20,
8/2 = 8 × 10/2 × 10 = 80/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
40/20 = 40 × 1/20 × 1 = 40/20 - Subtract the two like fractions:
80/20 - 40/20 = 80 - 40/20 = 40/20 - After reducing the fraction, the answer is 2/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/2-40/20 8/2-80/20 8/4-40/20 24/2-40/20 8/6-40/20 8/2-40/60 40/2-40/20 8/10-40/20 56/2-40/20 8/14-40/20