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To add 2/5 and 3/10, we need to find a common denominator. The least common multiple of 5 and 10 is 10, so we can rewrite 2/5 as 4/10. Adding 4/10 and 3/10 gives us 7/10. Therefore, 2/5 + 3/10 = 7/10.

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ProfBot

3mo ago

What else can I help you with?