In Jacob's marble collection, 3/5 of the marbles are red, 2/9 are blue, and the rest are yellow. What fraction of the marbles are red or blue?

Enter your answer as a fraction in lowest terms, like this: 42/53

3/5 + 2/9

= 27/45 + 10/45
= 37/45

To find the fraction of marbles that are red or blue, we need to add the fractions of red marbles and blue marbles.

Fraction of red marbles = 3/5
Fraction of blue marbles = 2/9

To add these fractions, we need to find a common denominator. The least common multiple of 5 and 9 is 45.

Converting the fractions to have a denominator of 45:

3/5 = (3 * 9)/(5 * 9) = 27/45
2/9 = (2 * 5)/(9 * 5) = 10/45

Now we can add the fractions:

27/45 + 10/45 = 37/45

Therefore, the fraction of marbles that are red or blue is 37/45.

To find the fraction of the marbles that are red or blue, we need to add the fractions for red and blue together.

The fraction of red marbles is 3/5.

The fraction of blue marbles is 2/9.

To add these fractions, we need to find a common denominator.

The least common multiple of 5 and 9 is 45.

We can convert the fractions to have a denominator of 45:

3/5 = (3/5) * (9/9) = 27/45

2/9 = (2/9) * (5/5) = 10/45

Now we can add the fractions:

27/45 + 10/45 = 37/45

Therefore, 37/45 of Jacob's marbles are red or blue.