Add 40/15 and 8/12
1st number: 2 10/15, 2nd number: 8/12
40/15 + 8/12 is 10/3.
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,
8/12 = 8 × 5/12 × 5 = 40/60 - Add the two like fractions:
160/60 + 40/60 = 160 + 40/60 = 200/60 - 200/60 simplified gives 10/3
- So, 40/15 + 8/12 = 10/3
In mixed form: 31/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/15+8/12 40/15+16/12 40/30+8/12 40/15+8/24 40/15+24/12 40/45+8/12 40/15+8/36 40/15+40/12 40/75+8/12 40/15+8/60 40/15+56/12 40/15+8/84