Question

Help me solve for U please help

Answer 1

`u+(4)/(5)=2(1)/(3)\\ u+(4)/(5)=(7)/(3)\\ u=(7)/(3)-(4)/(5)\\ u=(35)/(15)-(12)/(15)\\ u=(23)/(15)`

Answer 2

4 1
u + -- = 2 ---
5 3

1 2 * 3 + 1 7
2 ---- = ---------------- = ------
3 3 3

Now we have to do

4 7
u + -- = ---
5 3

7 4 7 * 5 - 4 * 3
u = ------- - ----- = ------------------------
3 5 3 * 5

35 - 12 23
u = ------------------ = ------
15 15