Add 12/18 and 28/8
1st number: 12/18, 2nd number: 3 4/8
12/18 + 28/8 is 25/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
12/18 = 12 × 4/18 × 4 = 48/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
28/8 = 28 × 9/8 × 9 = 252/72 - Add the two like fractions:
48/72 + 252/72 = 48 + 252/72 = 300/72 - 300/72 simplified gives 25/6
- So, 12/18 + 28/8 = 25/6
In mixed form: 41/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/18+28/8 12/18+56/8 12/36+28/8 12/18+28/16 36/18+28/8 12/18+84/8 12/54+28/8 12/18+28/24 60/18+28/8 12/90+28/8 12/18+28/40 84/18+28/8 12/18+28/56