Subtract 8/45 from 4/50
4/50 - 8/45 is -22/225.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 45 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
4/50 = 4 × 9/50 × 9 = 36/450 - Likewise, for the 2nd fraction, since 45 × 10 = 450,
8/45 = 8 × 10/45 × 10 = 80/450 - Subtract the two like fractions:
36/450 - 80/450 = 36 - 80/450 = -44/450 - After reducing the fraction, the answer is -22/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/50-8/45 4/50-16/45 4/50-8/90 12/50-8/45 4/50-24/45 20/50-8/45 4/50-40/45 28/50-8/45 4/50-56/45