Question

what should be added to 8/9 to get 2/5?​

Answer 1

Answer:

answer is -22/45

Step-by-step explanation:

let let be the number x

so

x+8/9=2/5

then 8/9 will become -8/9 after coming to RHS

x = 2/5 - 8/9

we will take LCM i.e. 45

so x = 18/45 - 40/45

then x = 18-40/45

x = -22/45

therefore , -22/45 should be added to 8/9 to get 2/5

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Answer 2

Step-by-step explanation:

Take the number which should be added to 8/9 to get 2/5 as x

8/9 + x = 2/5(Transpose 8/9 to R.H.S)

x = 2/5 - 8/9(Take LCM of 5 & 9)

LCM = 45

x = (2 × 9/5 × 9) - (8 × 5/9 × 5)

x = 18/45 - 40/45

x = -22/45

-22/45 must be added to 8/9 to get 2/5

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