Subtract 54/50 from 8/90
1st number: 8/90, 2nd number: 1 4/50
8/90 - 54/50 is -223/225.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 90 × 5 = 450,
8/90 = 8 × 5/90 × 5 = 40/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
54/50 = 54 × 9/50 × 9 = 486/450 - Subtract the two like fractions:
40/450 - 486/450 = 40 - 486/450 = -446/450 - After reducing the fraction, the answer is -223/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/90-54/50 24/90-54/50 40/90-54/50 56/90-54/50