Subtract 5/50 from 6/90
6/90 - 5/50 is -1/30.
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,
6/90 = 6 × 5/90 × 5 = 30/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
5/50 = 5 × 9/50 × 9 = 45/450 - Subtract the two like fractions:
30/450 - 45/450 = 30 - 45/450 = -15/450 - After reducing the fraction, the answer is -1/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/90-5/50 6/90-10/50 18/90-5/50 6/90-15/50 30/90-5/50 6/90-25/50 42/90-5/50 6/90-35/50