Question

Como resuelvo? X + 2/5 = 7/8

Answer 1

x + 2/5 = 7/8

x = 7/8 - 2/5

x = 35 - 16 / 40 = 19 / 40

x = 19/40

Answer 2

Hola! :)


$x + \frac{2}{5} = \frac{7}{8} \\ \\ x = \frac{7}{8} - \frac{2}{5} \\ \\ x = \frac{7(5) - 8(2)}{8(5)} \\ \\ x = \frac{35 - 16}{40} \\ \\ x = \frac{19}{40}$