Rachel painted 37 th of her room and her sister painted 27 th of the room. What fraction of the room did the both of them paint in all?
A
17
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B
57
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C
37
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D
67
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Solution
The correct option is B57 Fraction of the room painted by Rachel = 37 Fraction of the room painted by Rachel's sister =27 ∴ Fraction of the room the both of them painted in all = 37+27 =3+27=57