Question

what number should be added to 2/5 to get 1​

Answer 1

Answer:

3/5

Step-by-step explanation:

2/5+3/5=5/5

5/5=1

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Answer 2

Answer:

3/5

Step-by-step explanation

$\frac{2}{5} + x = 1\\\\x = 1 - \frac{2}{5} \\\\x = \frac{1*5}{1*5} - \frac{2}{5} \\\\x = \frac{5-2}{5} = \frac{3}{5}$