Question

fracciones heterogeneas 9/4- 3/5

Answer 1

Solucion.

$\frac{9}{4} - \frac{3}{5} = \\ \\ \frac{45-12}{20} = \\ \\ \frac{33}{20} \\ \\ \\ saludos$

Answer 2

Restar.

 9      3
--- -  ---- =
 4      5

(9 * 5) - (3 * 4)
------------------- =
     (4 * 5)

(45 - 12)
----------- =
   20

33
---
20

Respuesta.
33/20