Add 18/2 and 28/45
1st number: 9 0/2, 2nd number: 28/45
18/2 + 28/45 is 433/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 2 × 45 = 90,
18/2 = 18 × 45/2 × 45 = 810/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
28/45 = 28 × 2/45 × 2 = 56/90 - Add the two like fractions:
810/90 + 56/90 = 810 + 56/90 = 866/90 - 866/90 simplified gives 433/45
- So, 18/2 + 28/45 = 433/45
In mixed form: 928/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/2+28/45 18/2+56/45 18/4+28/45 18/2+28/90 54/2+28/45 18/2+84/45 18/6+28/45 90/2+28/45 18/10+28/45 18/14+28/45