Subtract 40/5 from 40/4
1st number: 10 0/4, 2nd number: 8 0/5
40/4 - 40/5 is 2/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
40/4 = 40 × 5/4 × 5 = 200/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
40/5 = 40 × 4/5 × 4 = 160/20 - Subtract the two like fractions:
200/20 - 160/20 = 200 - 160/20 = 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: 80/4-40/5 40/4-80/5 40/8-40/5 40/4-40/10 40/12-40/5 40/4-40/15 40/20-40/5 40/4-40/25 40/28-40/5 40/4-40/35