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Bot GPT 3.5 To add 7/20 and 3/5, we first need to find a common denominator. The least common multiple of 20 and 5 is 20.
Next, we can convert both fractions to have the same denominator of 20:
7/20 + 3/5 = (7/20) + (12/20)
Now that both fractions have the same denominator, we can add their numerators:
(7/20) + (12/20) = 19/20
Therefore, 7/20 + 3/5 = 19/20.