Question

value of a in 1/3 + a = 2/5​

Answer 1

Answer:

$\frac{1}{3} + a = \frac{2}{5}$

$a = \frac{2}{5} - \frac{1}{3}$

$a = \frac{6 - 5}{15}$

$a = \frac{1}{15}$

Answer 2

Answer:

$\frac{1}{3} + a = \frac{2}{5} \\ \\ = \frac{1 + 3a}{3} = \frac{2}{5} \\ \\ = 5(1 + 3a) = 2(3) \\ \\ = 5 + 15a = 6 \\ \\ = 15a = 6 - 5 \\ \\ = 15a = 1 \\ \\ = a = \frac{1}{15}$