3/8 + 4/5 please help me

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asked Nov 23, 2024 42.9k views

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3/8 + 4/5 please help me

Mathematics
college

Or Choban asked

by Or Choban

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2 Answers

5 votes

Answer:

47/40

Explanation:

$((3)/(8)\cdot(5)/(5))+((4)/(5)\cdot(8)/(8))=(15)/(40)+(32)/(40)=(47)/(40)$

Ilya Konyukhov answered Nov 24, 2024

by Ilya Konyukhov

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1 vote

$\cfrac{3}{8}+\cfrac{4}{5}\implies \cfrac{(5)3~~ + ~~(8)4}{\underset{\textit{using this LCD}}{40}}\implies \cfrac{15+32}{40}\implies \cfrac{47}{40}\implies 1(7)/(40)$

Adneal answered Nov 30, 2024

by Adneal

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