Question

Express,5/7 as a rational number with numerator
(i) -30
(ii)70
(iii)-95​

Answer 1

Given:

A number 5/7 ,which has to be expressed with numerators as

• (i) -30
• (ii)70
• (iii)(-95)

Concept Used:

We will try to convert the numerator into given numbers by multiplying it by a suitable number.

Answer:

(i) 5/7 = 5×-6/7×-6 = -30/-42.

(Multipling numerator and denominator by same number i.e. -6 .)

(ii) 5/7 =5×14/7×14 =70/98.

(Multipling numerator and denominator by same number i.e. 14)

(iii) 5/7 = 5×-19/7×-19 =-95/-119.

(Multipling numerator and denominator by same number i.e. -19)