Subtract 56/50 from 20/18
1st number: 1 2/18, 2nd number: 1 6/50
20/18 - 56/50 is -2/225.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 50 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 50 × 9 = 450,
56/50 = 56 × 9/50 × 9 = 504/450 - Subtract the two like fractions:
500/450 - 504/450 = 500 - 504/450 = -4/450 - After reducing the fraction, the answer is -2/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/18-56/50 20/36-56/50 60/18-56/50 20/54-56/50 20/90-56/50