Question

Divide-21/5 by -7/-10​

Answer 1

The quotient is -6.

• One of the four fundamental mathematical operations, along with addition, subtraction, and multiplication, is division. Division is the process of dividing a larger group into smaller groups so that each group contains an equal number of things. It is a mathematical operation used for equal distribution and equal grouping.
• Repetitive subtraction is the process of division. It is the multiplication operation's opposite. It is described as the process of creating equitable groups. When dividing numbers, we break a larger number down into smaller ones so that the larger number taken will be equal to the multiplication of the smaller numbers.

Here, according to the given information, we are given that,

We need to divide $\frac{-21}{5}$ by $\frac{-7}{-10}$.

Then, we get,

$\frac{\frac{-21}{5}}{\frac{-7}{-10}} \\=-\frac{21.10}{7.5}\\=-6$

Hence, the quotient is -6.

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Answer 2

The answer to the question is $\frac{-147}{50}$

According to the question, we have been given the division -21/5 by -7/-10​

We have to solve and find out the value of the expression. Let's have a look at the step-by-step explanation-:

We know that division is a way of equal division and equal groups. To get the quotient, we divide the whole number by the divisor. Now, dividing a fraction by another fraction is the same as multiplying a fraction by the reciprocal of the other fraction. The reciprocal of a fraction is an easy way to change the numerator and denominator of a fraction.
Dividing two fractions is the same as multiplying the first fraction by the reciprocal of the second. The first step in dividing fractions is finding the other fraction's reciprocal (inverting the numerator and denominator). Next, multiply the two numerators. Then say the two denominators.

We have,

$\frac{\frac{-21}{5 } }{ \frac{ -7}{-10 } } = \frac{\frac{-21}{5 } }{ \frac{ 7}{10 } }\\So, \frac{\frac{-21}{5 } }{ \frac{ -7}{-10 } } = \frac{-21}{5} X \frac{-7}{-10}\\So, \frac{\frac{-21}{5 } }{ \frac{ -7}{-10 } } = \frac{147}{-50} = \frac{-147}{50}$

Hence our final answer is $\frac{-147}{50}$

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