Subtract 28/49 from 45/9
1st number: 5 0/9, 2nd number: 28/49
45/9 - 28/49 is 31/7.
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,
45/9 = 45 × 49/9 × 49 = 2205/441 - Likewise, for the 2nd fraction, since 49 × 9 = 441,
28/49 = 28 × 9/49 × 9 = 252/441 - Subtract the two like fractions:
2205/441 - 252/441 = 2205 - 252/441 = 1953/441 - After reducing the fraction, the answer is 31/7
- In mixed form: 43/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/9-28/49 45/9-56/49 45/18-28/49 45/9-28/98 45/9-84/49 45/27-28/49 45/63-28/49