Subtract 20/5 from 49/9
1st number: 5 4/9, 2nd number: 4 0/5
49/9 - 20/5 is 13/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 5 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
49/9 = 49 × 5/9 × 5 = 245/45 - Likewise, for the 2nd fraction, since 5 × 9 = 45,
20/5 = 20 × 9/5 × 9 = 180/45 - Subtract the two like fractions:
245/45 - 180/45 = 245 - 180/45 = 65/45 - After reducing the fraction, the answer is 13/9
- In mixed form: 14/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/9-20/5 49/9-40/5 49/18-20/5 49/9-20/10 49/9-60/5 49/27-20/5 49/9-20/15 49/45-20/5 49/9-20/25 49/63-20/5 49/9-20/35