Add 40/15 and 49/12
1st number: 2 10/15, 2nd number: 4 1/12
40/15 + 49/12 is 27/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
40/15 = 40 × 4/15 × 4 = 160/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
49/12 = 49 × 5/12 × 5 = 245/60 - Add the two like fractions:
160/60 + 245/60 = 160 + 245/60 = 405/60 - 405/60 simplified gives 27/4
- So, 40/15 + 49/12 = 27/4
In mixed form: 63/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/15+49/12 40/15+98/12 40/30+49/12 40/15+49/24 40/45+49/12 40/15+49/36 40/75+49/12 40/15+49/60 40/15+49/84