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meerkat18
The correct answer among all the other choices is a. 21/35 and 10/35. This pair of fractions is equivalent to this pair: 3/5 and 2/7. Thank you for posting your question. I hope this answer helped you. Let me know if you need more help. 
rameenzaheer1

Answer:

a. 21/35 and 10/35

Step-by-step explanation:

21 and 35 are multiples of 7, i.e 3/5

and 10 and 35 are multiples of 5, i.e 2/7