Question

c) If the sum of two rational number is -13/5 and 12/7 is divided by
difference taken in order then the number so obtained is
i) -151/35
ii) -31/35
iii) 31/151
iv) 1​

Answer 1

Answer:

$\frac{ - 31}{ 35}$

Step-by-step explanation:

$( \frac{ - 13}{5} ) + ( \frac{12}{7} )$

$\frac{ - 13 \times 7}{5 \times 7} + \frac{12 \times 5}{7 \times 5}$

$\frac{ - 91}{35} + \frac{60}{35}$

$\frac{ -91 + 60 }{35}$

$\frac{ - 31}{35}$