Question

what should be subracted from 2/5 to get 5/6?

Answer 1

Heya here is your answer
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$let \: x \: is \: subtracted \: from \\ \frac{2}{5} \: to \: get \: \frac{5}{6} \\ \\ then. \\ \\ \frac{2}{5} - x = \frac{5}{6} \\ \\ \frac{2 - 5x}{5} = \frac{5}{6} \\ \\ 6 \times (2 - 5x) = 5 \times 5 \\ \\ 12 - 30x = 25 \\ \\ 12 - 25 = 30x \\ \\ - 13 = 30x \\ \\ x = \frac{ - 13}{30}$
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@ajaman. ...

Answer 2

hi

let the number  be x

What should be subracted from 2/5 to get 5/6?

lets form an euqation

2/5 -  x = 5/6

-x = 5/6 - 2/5 

-x = 25 - 12/30

-x = 13/30

x = -13/30

hence -13/30 should be subracted from 2/5 to get 5/6

hope it helps u

:)