Subtract 25/20 from 40/5
1st number: 8 0/5, 2nd number: 1 5/20
40/5 - 25/20 is 27/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 5 × 4 = 20,
40/5 = 40 × 4/5 × 4 = 160/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
25/20 = 25 × 1/20 × 1 = 25/20 - Subtract the two like fractions:
160/20 - 25/20 = 160 - 25/20 = 135/20 - After reducing the fraction, the answer is 27/4
- In mixed form: 63/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/5-25/20 40/5-50/20 40/10-25/20 40/5-25/40 40/5-75/20 40/15-25/20 40/5-25/60 40/25-25/20 40/35-25/20