Add 40/15 and 10/12
1st number: 2 10/15, 2nd number: 10/12
40/15 + 10/12 is 7/2.
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,
10/12 = 10 × 5/12 × 5 = 50/60 - Add the two like fractions:
160/60 + 50/60 = 160 + 50/60 = 210/60 - 210/60 simplified gives 7/2
- So, 40/15 + 10/12 = 7/2
In mixed form: 31/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/15+10/12 40/15+20/12 40/30+10/12 40/15+10/24 40/15+30/12 40/45+10/12 40/15+10/36 40/15+50/12 40/75+10/12 40/15+10/60 40/15+70/12 40/15+10/84