Question

21c cuadrado sobre 14c cubo a mas 5a sobre 25a cuadrado

Answer 1

$\frac{21 c^{2} }{14c^{3} } = \frac{3}{2c}$

$a+ \frac{5a}{25 a^{2} } = a + \frac{1}{5a} = \frac{ 5a^{2}+1 }{5a}$