Question

22. What number should be subtracted from -7/10 to get 11/30 ?​

Answer 1

Answer:

-16/15

Step-by-step explanation:

Let the no. be x

-7/10 - x = 11/30

-21/30 - x = 11/30

-x = -11/30 -21/30

-x = -32/30

-x = -16/15

x = 16/15

Hope this will helpful to you..!!!

Answer 2

Concept Introduction: Subtraction means to eliminate or take away something

Given:

We have been Given: Value

$\frac{ - 7}{10}$

to get

$\frac{11}{30}$

To Find:

We Have to Find: What number should be subtracted from the given value to get

$\frac{11}{30}$

Solution:

According to the problem, Let the number to be subtracted be

$x$

therefore according to the question, the equation will be,

$\frac{ - 7}{10} - x = \frac{11}{30}$

Now bringing

$x$

to the right side and bringing

$\frac{11}{30}$

to the left side, the new equation becomes

$x = \frac{ - 7}{10} - \frac{11}{30}$

now solving the equation,

$x = \frac{30 \times( - 7) - 10 \times ( - 11) }{30 \times 10} = \frac{ - 210 + 110}{300}$

further solving will give,

$\frac{ - 100}{300} = \frac{ - 1}{3}$

Hence, the value to subtracted is

$\frac{ - 1}{3}$

Final Answer: The number that should be subtracted is

$\frac{ - 1}{3}$

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