Question

15x/4-4/15 = 0 then x= ?

Answer 1

15x/4=4/15

15x=16/15

x=16/15×15

x=16/225

that's it.

Answer 2

$\frac{15x}{4} - \frac{4}{15} = 0 \\ \frac{225x - 16}{60} = 0 \\ 225x - 16 = 0 \\ 225x = 16 \\ x=\frac{16}{225}\\x = 0.07111111$