Question

Express 42/-70 as rational number with denominator i) 5 ii) 10​

Answer 1

Answer:

i) -3/5

ii) -6/10

See the attachment.

Answer 2

➤ Answer :-

(a) Denominator :- 5

$\dashrightarrow \tt \frac{42}{( - 70)} = \frac{?}{5}$

$\dashrightarrow \tt {?} = 42 \div \frac{( - 70)}{5}$

$\dashrightarrow \tt \cancel\frac{42}{( - 14)} = ( - 3)$

Equivalent fraction $=$

$\dashrightarrow \tt \frac{42}{( - 70)} = \frac{( - 3)}{5}$

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(b) Denominator :- 10

$\dashrightarrow \tt \frac{42}{( - 70)} = \frac{?}{10}$

$\dashrightarrow \tt {?} = 42 \div \frac{( - 70)}{10}$

$\dashrightarrow \tt \cancel \frac{42}{( - 7)} = (-6)$

Equivalent fraction $=$

$\dashrightarrow \tt \frac{42}{( - 70)} = \frac{(-6) }{10}$