Subtract 90/9 from 9/50
1st number: 9/50, 2nd number: 10 0/9
9/50 - 90/9 is -491/50.
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,
9/50 = 9 × 9/50 × 9 = 81/450 - Likewise, for the 2nd fraction, since 9 × 50 = 450,
90/9 = 90 × 50/9 × 50 = 4500/450 - Subtract the two like fractions:
81/450 - 4500/450 = 81 - 4500/450 = -4419/450 - After reducing the fraction, the answer is -491/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/50-90/9 9/50-90/18 27/50-90/9 9/50-90/27 45/50-90/9 9/50-90/45 63/50-90/9 9/50-90/63