Add 12/15 and 8/30
12/15 + 8/30 is 16/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
12/15 = 12 × 2/15 × 2 = 24/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
8/30 = 8 × 1/30 × 1 = 8/30 - Add the two like fractions:
24/30 + 8/30 = 24 + 8/30 = 32/30 - 32/30 simplified gives 16/15
- So, 12/15 + 8/30 = 16/15
In mixed form: 11/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/15+8/30 12/15+16/30 12/30+8/30 12/15+8/60 36/15+8/30 12/15+24/30 12/45+8/30 12/15+8/90 60/15+8/30 12/15+40/30 12/75+8/30 84/15+8/30 12/15+56/30