Add 12/30 and 8/12
12/30 + 8/12 is 16/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
12/30 = 12 × 2/30 × 2 = 24/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
8/12 = 8 × 5/12 × 5 = 40/60 - Add the two like fractions:
24/60 + 40/60 = 24 + 40/60 = 64/60 - 64/60 simplified gives 16/15
- So, 12/30 + 8/12 = 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: 24/30+8/12 12/30+16/12 12/60+8/12 12/30+8/24 36/30+8/12 12/30+24/12 12/90+8/12 12/30+8/36 60/30+8/12 12/30+40/12 12/30+8/60 84/30+8/12 12/30+56/12 12/30+8/84