In a bag with 2 red and 3 blue marbles, what fraction of the marbles are red?

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Prepare for the Praxis Elementary Education Mathematics Test. Engage with flashcards and multiple choice questions, each with hints and explanations. Enhance your chances for exam success!

Multiple Choice

In a bag with 2 red and 3 blue marbles, what fraction of the marbles are red?

Explanation:
To find the fraction of marbles that are red, think of red marbles over the total number of marbles. There are 2 red marbles and 3 blue marbles, so the total is 5 marbles. The red fraction is 2 out of 5, written as 2/5. This reflects the exact share of the bag that is red, and 2/5 is already in simplest form since 2 and 5 have no common factors other than 1. The other options describe different proportions: they would require a different count of red marbles (for example, three red out of five), or a balance between red and blue that isn’t the case here, or a fraction that wouldn’t match the actual total.

To find the fraction of marbles that are red, think of red marbles over the total number of marbles. There are 2 red marbles and 3 blue marbles, so the total is 5 marbles. The red fraction is 2 out of 5, written as 2/5. This reflects the exact share of the bag that is red, and 2/5 is already in simplest form since 2 and 5 have no common factors other than 1. The other options describe different proportions: they would require a different count of red marbles (for example, three red out of five), or a balance between red and blue that isn’t the case here, or a fraction that wouldn’t match the actual total.

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