Question

(ii) (a) What should be added to
1/2+1/3+1/5 to get 4​

Answer 1

Step-by-step explanation:

Lcm of 2 3 5=30

(1x15)+(1x10)+(1x6)/30

15+10+6/30

31/30

According to the question

31/30+x=4/1

X=4/1-31/30

X=-27/30

Answer 2

Answer:

89/30 is your answer

Step-by-step explanation:

1/2 + 1/3 + 1/5 = 15/30 + 10/30+6/30 = 31/30

So 1/2 + 1/3 + 1/5 + x = 4

31/30 + x = 4

x = 4 - 31/30 = (120 - 31) / 30 = 89/30