Question

Express -5/8 as a rational number with numirator i)-10 ii) 15​

Answer 1

Answer:

-5/8

(I) -5/8*2/2=-10/16

(ii)-5/8*(-3/-3)=15/-24

Answer 2

➤ Answer :-

(a) Numerator :- (-10)

$\dashrightarrow \tt \frac{( - 5)}{8} = \frac{( - 10)}{?}$

$\dashrightarrow \tt {?} = \frac{( - 10)}{( - 5)} \times 8$

$\dashrightarrow \tt \cancel \frac{( - 10)}{( - 5)} \times 8 = 2 \times 8$

$\dashrightarrow \tt16$

Equivalent fraction $=$

$\dashrightarrow \tt \frac{( - 5)}{8} = \frac{( - 10)}{16}$

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(b) Numerator :- 15

$\dashrightarrow \tt \frac{( - 5)}{8} = \frac{15}{?}$

$\dashrightarrow \tt {?} = \frac{15}{( - 5)} \times 8$

$\dashrightarrow \tt \cancel \frac{15}{( - 5)} \times 8 = ( - 3) \times 8$

$\dashrightarrow \tt (- 24)$

Equivalent fraction $=$

$\dashrightarrow \tt \frac{( - 5)}{8} = \frac{15}{( - 24)}$