Question

Express − 7/13

as a rational number with

a) numerator = −28 b) denominator = −65​

Answer 1

Answer:

-7:13

in my math book this was able

Answer 2

Answer:

a) -28/52

b) 35/-65

Step-by-step explanation:

a) Numerator should be (-28).

(-28) is got by multiplying the first numerator (-7), by 4.

So we have to multiply the denominator 13 also by 4. Thus we get,

$\frac{ - 7}{13} = \frac{ -7 \times 4}{13 \times4} = \frac{ - 28}{52}$

b) Denominator should be (-65).

(-65) is got by multiplying the first denominator 13, by (-5).

So we have to multiply the numerator (-7) also by 5.

Thus we get,

$\frac{ - 7}{13} = \frac{ - 7 \times - 5}{13 \times - 5} = \frac{35}{ - 62}$

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