Subtract 90/50 from 2/9
1st number: 2/9, 2nd number: 1 40/50
2/9 - 90/50 is -71/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 9 × 50 = 450,
2/9 = 2 × 50/9 × 50 = 100/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
90/50 = 90 × 9/50 × 9 = 810/450 - Subtract the two like fractions:
100/450 - 810/450 = 100 - 810/450 = -710/450 - After reducing the fraction, the answer is -71/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/9-90/50 2/18-90/50 6/9-90/50 2/27-90/50 10/9-90/50 2/45-90/50 14/9-90/50 2/63-90/50