Subtract 50/90 from 8/25
8/25 - 50/90 is -53/225.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 90 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 25 × 18 = 450,
8/25 = 8 × 18/25 × 18 = 144/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
50/90 = 50 × 5/90 × 5 = 250/450 - Subtract the two like fractions:
144/450 - 250/450 = 144 - 250/450 = -106/450 - After reducing the fraction, the answer is -53/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/25-50/90 8/50-50/90 24/25-50/90 8/75-50/90 40/25-50/90 56/25-50/90