Question

$<h1 style="color:red;font-family:cursive;">Question:-</h1>$

Express [tex]\frac{-21}{49} as a rational number with denominator 7.

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Answer 1

$\bf{\underline{\underline{Question:}}}$

Express $\frac{-21}{49}$ as a rational number with denominator 7.

$\bf{\underline{\underline{Answer:}}}$

• => $\bf Rational\:Number:\frac{ - 3}{7}$

$\bf{\underline{\underline{Solution:}}}$

To get denominator 7, We must divide 49 by 7.

•°• $\frac{ - 21 \div 7}{49 \div 7} = \frac{ - 3}{7}$

$\bf Hence,\: \frac{ - 3}{7} \: Is \: The \: Requried \: Rational \: Number.$

Answer 2

Question:

Express -21/49 as a rational number with denominator 7 ?

Answer:

-3/7

Explanation:

we know that 21 is a factor of 7. and 49 is factor of 7 it is easily express .

How it express,

$\boxed{\sf{ \dfrac{- \cancel{21}}{\cancel{49}} }}$

as it these express.

and your answer was

-3/7

So the denominator was 7 and it easily expressed.