Subtract 3/9 from 18/50
18/50 - 3/9 is 2/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 9 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
18/50 = 18 × 9/50 × 9 = 162/450 - Likewise, for the 2nd fraction, since 9 × 50 = 450,
3/9 = 3 × 50/9 × 50 = 150/450 - Subtract the two like fractions:
162/450 - 150/450 = 162 - 150/450 = 12/450 - After reducing the fraction, the answer is 2/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/50-3/9 18/50-6/9 18/50-3/18 54/50-3/9 18/50-3/27 90/50-3/9 18/50-15/9 18/50-3/45 18/50-21/9 18/50-3/63