4th grade fractions

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come up with 1 fraction up to 99 that has 2 different prime numbers that can work. For example:

20/30

the prime numbers there are 2 and 5. 20 divided by 2. 30 divided by 2. then it would be 10/15. then you do 10 divided by 5. 15 divided by 5. then it would be 2/3.

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