Question

What should be added to1/2+1/3-1/5 to get 4

Answer 1

Answer:

$\dfrac{89}{ 30}$

Step-by-step explanation:

Let the number to be added be x

$\frac{1}{2} + \frac{1}{3} - \frac{1}{5} + x = 4 \\ \\ x = 4 + \frac{1}{5} - \frac{1}{2} - \frac{1}{3} \\ \\ x = \frac{4(30) + 1(6) - 1(15) - 1(10)}{30} \\ \\ x = \frac{89}{30}$

Note:-

• When you transpose a term from right hand side to left hand side then it's symbol changes as + to - , × to ÷ and vice-versa
• While simplyping fractions and integers , you need to take l.c.m to simply them

Answer 2

Answer:

the answer will be 101/30

Step-by-step explanation:

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

5/6-1/5+x=4

(25-6)/30+x=4

19/30+x=4

19+30 x=4*30

30 x=120-19

30 x=101

x = 101/30

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