Answer:

Step-by-step explanation:
We want to find the sum of

We can rewrite this as

This becomes;

Recall that;

This implies that;

Combine like terms:

Cada número que puede expresarse como una razón de dos enteros, cuyo denominador es distinto de cero, se llama un número racional.
espero que esto ayude :)
The correct and the right answers is definitely going to be 12
(going to number these 1-4 starting with the top one)
1. 6:5
2. 1:3
3. 4:3
4. 1:2