What-s the Error- Chhaya simplified a rational number is this manner -25-30 - -5-6- What error did the student make-

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Standard VII

Mathematics

Equivalent Rational Numbers

What's the Er...

Question

Question 110

What's the Error?

Chhaya simplified a rational number is this manner $\frac{- 25}{- 30} = \frac{- 5}{6}$ . What error did the student make?

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Solution

If a negative (-) sign comes in both numerator and denominator, then it will be cancelled. So, the resulting fraction will be positive.
$∴ \frac{- 25}{- 30} = \frac{25}{30} = \frac{5}{6}$
Here, Chhaya divided numerator by 5 but denominator by -5.

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Question 110 What's the Error? Chhaya simplified a rational number is this manner −25−30=−56. What error did the student make?

If a negative (-) sign comes in both numerator and denominator, then it will be cancelled. So, the resulting fraction will be positive. ∴−25−30=2530=56 Here, Chhaya divided numerator by 5 but denominator by -5.

Question 110

What's the Error?

Chhaya simplified a rational number is this manner $\frac{- 25}{- 30} = \frac{- 5}{6}$ . What error did the student make?

If a negative (-) sign comes in both numerator and denominator, then it will be cancelled. So, the resulting fraction will be positive.
$∴ \frac{- 25}{- 30} = \frac{25}{30} = \frac{5}{6}$
Here, Chhaya divided numerator by 5 but denominator by -5.