Add 40/15 and 49/9
1st number: 2 10/15, 2nd number: 5 4/9
40/15 + 49/9 is 73/9.
Steps for adding 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,
40/15 = 40 × 3/15 × 3 = 120/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
49/9 = 49 × 5/9 × 5 = 245/45 - Add the two like fractions:
120/45 + 245/45 = 120 + 245/45 = 365/45 - 365/45 simplified gives 73/9
- So, 40/15 + 49/9 = 73/9
In mixed form: 81/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/15+49/9 40/15+98/9 40/30+49/9 40/15+49/18 40/45+49/9 40/15+49/27 40/75+49/9 40/15+49/45 40/15+49/63