Subtract 10/18 from 9/50
9/50 - 10/18 is -169/450.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
9/50 = 9 × 9/50 × 9 = 81/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
10/18 = 10 × 25/18 × 25 = 250/450 - Subtract the two like fractions:
81/450 - 250/450 = 81 - 250/450 = -169/450
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/50-10/18 9/50-20/18 9/50-10/36 27/50-10/18 9/50-30/18 9/50-10/54 45/50-10/18 9/50-50/18 9/50-10/90 63/50-10/18 9/50-70/18