Question

Cuántos octavos hay que sumar a 3/16 para obtener 15/16​

Answer 1

$\frac{3}{16} + \frac{x}{8} = \frac{15}{16} \\ \frac{3}{16} + \frac{2x}{16} = \frac{15}{16} \\ \frac{3 + 2x}{16} = \frac{15}{16} \\ 3 + 2x = 15 \\ 2x = 12 \\ x = 6$

espero que te sirva :v