Question

Using suitable arrangement find using suitable rearrangement find the sum of 4 upon 7 + (minus 4 upon 9) + 3 upon 7 + (minus 13 upon 9 solved

Answer 1

Step-by-step explanation:

4/7 + (-4/9) + 3/7 + (-13/9)

Now ,we all know that we can easily do plus and minus in fraction ,if denominaters will same

So,

(4/7 + 3/7 )(- 4/9 - 13/9)

7/7 - 17/9

1 - 17/9

8/9