Subtract 2/5 from 40/20
1st number: 2 0/20, 2nd number: 2/5
40/20 - 2/5 is 8/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
40/20 = 40 × 1/20 × 1 = 40/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
2/5 = 2 × 4/5 × 4 = 8/20 - Subtract the two like fractions:
40/20 - 8/20 = 40 - 8/20 = 32/20 - After reducing the fraction, the answer is 8/5
- In mixed form: 13/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/20-2/5 40/20-4/5 40/20-2/10 40/20-6/5 40/60-2/5 40/20-2/15 40/20-10/5 40/20-2/25 40/20-14/5 40/20-2/35