What’s the Error? Chhaya simplified a rational number in this manner -25/-30 = -5/6. What error did the student make?

Solution:

We know that

If negative sign is present in both numerator and denominator it will become positive

-25/-30 = 25/30 = 5/6

Chhaya has divided numerator by 5 and denominator by -5.

Therefore, the student has divided the numerator by 5 and denominator by -5.

✦ Try This: What’s the Error? Sumayya simplified a rational number in this manner -10/-12 = -5/6. What error did the student make?

We know that

If negative sign is present in both numerator and denominator it will become positive

-10/-12 = 10/12 = 5/6

Sumayya has divided numerator by 2 and denominator by -2.

Therefore, the student has divided the numerator by 2 and denominator by -2.

☛ Also Check: NCERT Solutions for Class 7 Maths Chapter 9

NCERT Exemplar Class 7 Maths Chapter 8 Problem 110

What’s the Error? Chhaya simplified a rational number in this manner -25/-30 = -5/6. What error did the student make?

Summary:

Chhaya simplified a rational number in this manner -25/-30 = -5/6. The student has divided the numerator by 5 and denominator by -5

☛ Related Questions:

• Find the odd one out of the following and give reason. a. 4/-9, b. -16/36, c. -20/-45, d. 28/-63
• Find the odd one out of the following and give reason. a. -4/3, b. -7/6, c. -10/3, d. -8/7
• Find the odd one out of the following and give reason. a. -3/7, b. -9/15, c. +24/20, d. +35/25