Add 8/18 and 28/35
8/18 + 28/35 is 56/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 35 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 18 × 35 = 630,
8/18 = 8 × 35/18 × 35 = 280/630 - Likewise, for the 2nd fraction, since 35 × 18 = 630,
28/35 = 28 × 18/35 × 18 = 504/630 - Add the two like fractions:
280/630 + 504/630 = 280 + 504/630 = 784/630 - 784/630 simplified gives 56/45
- So, 8/18 + 28/35 = 56/45
In mixed form: 111/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/18+28/35 8/18+56/35 8/36+28/35 8/18+28/70 24/18+28/35 8/18+84/35 8/54+28/35 40/18+28/35 8/90+28/35 56/18+28/35