Add 30/15 and 8/12
1st number: 2 0/15, 2nd number: 8/12
30/15 + 8/12 is 8/3.
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,
30/15 = 30 × 4/15 × 4 = 120/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
8/12 = 8 × 5/12 × 5 = 40/60 - Add the two like fractions:
120/60 + 40/60 = 120 + 40/60 = 160/60 - 160/60 simplified gives 8/3
- So, 30/15 + 8/12 = 8/3
In mixed form: 22/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/15+8/12 30/15+16/12 30/15+8/24 90/15+8/12 30/15+24/12 30/45+8/12 30/15+8/36 30/15+40/12 30/75+8/12 30/15+8/60 30/15+56/12 30/15+8/84