Subtract 80/49 from 90/9
1st number: 10 0/9, 2nd number: 1 31/49
90/9 - 80/49 is 410/49.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 49 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 9 × 49 = 441,
90/9 = 90 × 49/9 × 49 = 4410/441 - Likewise, for the 2nd fraction, since 49 × 9 = 441,
80/49 = 80 × 9/49 × 9 = 720/441 - Subtract the two like fractions:
4410/441 - 720/441 = 4410 - 720/441 = 3690/441 - After reducing the fraction, the answer is 410/49
- In mixed form: 818/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/18-80/49 90/9-80/98 90/27-80/49 90/45-80/49 90/63-80/49