Question

. 3by 5+7 by 3-12 by 5-8by 3​

Answer 1

Answer:

$\frac{3}{5} + \frac{7}{3} - \frac{12}{5} - \frac{8}{3}$

Taking LCM of 5 and 3 we get,

$= \frac{9 + 35 - 36 - 40}{15}$

$= \frac{ - 32}{15}$