Subtract 20/25 from 18/2
1st number: 9 0/2, 2nd number: 20/25
18/2 - 20/25 is 41/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 25 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 2 × 25 = 50,
18/2 = 18 × 25/2 × 25 = 450/50 - Likewise, for the 2nd fraction, since 25 × 2 = 50,
20/25 = 20 × 2/25 × 2 = 40/50 - Subtract the two like fractions:
450/50 - 40/50 = 450 - 40/50 = 410/50 - After reducing the fraction, the answer is 41/5
- In mixed form: 81/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/2-20/25 18/2-40/25 18/4-20/25 18/2-20/50 54/2-20/25 18/2-60/25 18/6-20/25 18/2-20/75 90/2-20/25 18/10-20/25 18/14-20/25