Subtract 80/9 from 50/15
1st number: 3 5/15, 2nd number: 8 8/9
50/15 - 80/9 is -50/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 15 × 3 = 45,
50/15 = 50 × 3/15 × 3 = 150/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
80/9 = 80 × 5/9 × 5 = 400/45 - Subtract the two like fractions:
150/45 - 400/45 = 150 - 400/45 = -250/45 - After reducing the fraction, the answer is -50/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/30-80/9 50/15-80/18 50/45-80/9 50/15-80/27 50/75-80/9 50/15-80/45 50/15-80/63