Add 12/18 and 28/10
1st number: 12/18, 2nd number: 2 8/10
12/18 + 28/10 is 52/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
12/18 = 12 × 5/18 × 5 = 60/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
28/10 = 28 × 9/10 × 9 = 252/90 - Add the two like fractions:
60/90 + 252/90 = 60 + 252/90 = 312/90 - 312/90 simplified gives 52/15
- So, 12/18 + 28/10 = 52/15
In mixed form: 37/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/18+28/10 12/18+56/10 12/36+28/10 12/18+28/20 36/18+28/10 12/18+84/10 12/54+28/10 12/18+28/30 60/18+28/10 12/90+28/10 12/18+28/50 84/18+28/10 12/18+28/70