Question

a rational number equivalent to a rational number 7/19 is 21/57 or not​

Answer 1

Answer:

yes they are only divided by 3

Answer 2

Answer:

$\frac{7}{19} = \frac{21}{57} \\ = \frac{7}{19} = \frac{7}{19}$

Therefore, 7/19 is equivalent to 21/57

Step-by-step explanation:

$\frac{7 \times 3}{19 \times 3} = \frac{21}{57}$