Explicación paso a paso : 1.
<img src="https://tex.z-dn.net/?f=%5Cfrac%7B-1%7D%7B4%7D%20%2B%20%28-0%2C75%29%20-%20%28-0%2C25%29" /> <img src="https://tex.z-dn.net/?f=%5Cfrac%7B-1%7D%7B4%7D%20-%200.75%20%2B%200.25" /> <img src="https://tex.z-dn.net/?f=-0%2C25%20-%200%2C75%20%2B%200%2C25" /> <img src="https://tex.z-dn.net/?f=-1%20%2B%200.25" /> <img src="https://tex.z-dn.net/?f=-%200%2C75" />2.
<img src="https://tex.z-dn.net/?f=-%20%5Cfrac%7B1%7D%7B4%7D%20-%20%28%5Cfrac%7B3%7D%7B4%7D%20%29%20%2B%20%28-%5Cfrac%7B5%7D%7B4%7D%20%29" /> <img src="https://tex.z-dn.net/?f=-%5Cfrac%7B1%7D%7B4%7D%20-%5Cfrac%7B3%7D%7B4%7D%20%20-%20%5Cfrac%7B5%7D%7B4%7D" /> <img src="https://tex.z-dn.net/?f=-%5Cfrac%7B9%7D%7B4%7D" />3.
<img src="https://tex.z-dn.net/?f=%5Cfrac%7B4%7D%7B11%7D%20%2B%20%28-%20%5Cfrac%7B5%7D%7B11%7D%29%20-%20%28-%20%5Cfrac%7B3%7D%7B1%7D%29" /> <img src="https://tex.z-dn.net/?f=%5Cfrac%7B4%7D%7B11%7D%20-%20%5Cfrac%7B5%7D%7B11%7D%20%2B%20%5Cfrac%7B3%7D%7B1%7D" /> [img = 10] [img = 11] ⇒⇒⇒ Mínimo común múltiplo [img = 12].