Question

simplify -5a/15 x 35/49a​

Answer 1

Answer:

-5/21

Step-by-step explanation:

Answer 2

Given expression:

$-\frac {5a} {15} \times \frac {35} {49a}$

$=\frac {-5\times a\times35} {15\times49\times a}$

$=\frac {-5\times a\times35} {3\times5\times a\times49}$

Let us take '$5\times a$' common from numerator and denominator.

$=(\frac {5\times a} {5 \times a}) (\frac {-35} {3\times 49})$

$=(1) (\frac {-7\times5} {3\times7\times7})$

Let us take '$7$' common from numerator and denominator.

$=(\frac {7} {7}) (\frac {-5} {3\times7})$

$=(1) (\frac {-5} {21})$

$=\frac {-5} {21}$.

Hence, simplified form of given expression is $\frac {-5} {21}$.