Subtract 8/25 from 20/18
1st number: 1 2/18, 2nd number: 8/25
20/18 - 8/25 is 178/225.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 25 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 18 × 25 = 450,
20/18 = 20 × 25/18 × 25 = 500/450 - Likewise, for the 2nd fraction, since 25 × 18 = 450,
8/25 = 8 × 18/25 × 18 = 144/450 - Subtract the two like fractions:
500/450 - 144/450 = 500 - 144/450 = 356/450 - After reducing the fraction, the answer is 178/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/18-8/25 20/18-16/25 20/36-8/25 20/18-8/50 60/18-8/25 20/18-24/25 20/54-8/25 20/18-8/75 20/18-40/25 20/90-8/25 20/18-56/25