Question

4/5-7/8+9/4 =? solve this equation​

Answer 1

Answer:

E g:

Here, we will subtract “ 6 ”from both numbers and after that we will add the numbers.

7 – 6 + 7 – 6 = 1+1=2

8 –6 + 8 –6 =2+2=4

8 –6 +5 –6 =2–1=1

6 –6 +9 –6 =0+3=3

10 –6 +11 –6 =4+5=9

4 –6 +9 –6 =-2+3=1

hence , 4+9 = 1

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Step-by-step explanation:

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Answer 2

Answer:       = 87 / 40

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Step-by-step explanation:

4/5 - 7/8 + 9/4

[LCM of 5 , 8 , 4 is 40]

hence,

          = 32/40 - 35/40 + 90/40  

          = 32 - 35 + 90 / 40

          = 87 / 40