Subtract 28/9 from 49/45
1st number: 1 4/45, 2nd number: 3 1/9
49/45 - 28/9 is -91/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 45 × 1 = 45,
49/45 = 49 × 1/45 × 1 = 49/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
28/9 = 28 × 5/9 × 5 = 140/45 - Subtract the two like fractions:
49/45 - 140/45 = 49 - 140/45 = -91/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/45-28/9 49/45-56/9 49/90-28/9 49/45-28/18 49/45-84/9 49/45-28/27 49/45-28/45 49/45-28/63