Subtract 90/6 from 50/45
1st number: 1 5/45, 2nd number: 15 0/6
50/45 - 90/6 is -125/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 6 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
50/45 = 50 × 2/45 × 2 = 100/90 - Likewise, for the 2nd fraction, since 6 × 15 = 90,
90/6 = 90 × 15/6 × 15 = 1350/90 - Subtract the two like fractions:
100/90 - 1350/90 = 100 - 1350/90 = -1250/90 - After reducing the fraction, the answer is -125/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/90-90/6 50/45-90/12 50/45-90/18 50/45-90/30 50/45-90/42