Well if you add all the numbers together, the total is 14. So 4/14 chance of pulling out a red marble.
Answer:
Step-by-step explanation:
28 = 2 * 2 * 7
35 = 5 * 7
The common factor is 7 . This is the GCF
28 + 35 = 7(4 + 5) (answer)
The answer to this question is

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can't be simplified because there is no same number that can divide numerator and denominator.