Realiza cada una de las siguientes operaciones, simplifica si es posible?

Respuesta : A⇒<img src="https://tex.z-dn.net/?f=%5Cfrac%7B11%7D%7B12%7D" />B⇒<img src="https://tex.z-dn.net/?f=%5Cfrac%7B3%7D%7B8%7D" />C⇒<img src="https://tex.z-dn.net/?f=1" />D)⇒<img src="https://tex.z-dn.net/?f=%5Cfrac%7B8%7D%7B15%7D" />E)⇒<img src="https://tex.z-dn.net/?f=%5Cfrac%7B23%7D%7B20%7D" />F)⇒<img src="https://tex.z-dn.net/?f=-%5Cfrac%7B1%7D%7B16%7D" />G)⇒<img src="https://tex.z-dn.net/?f=%5Cfrac%7B7%7D%7B45%7D" />Explicación paso a paso : A)<img src="https://tex.z-dn.net/?f=%5Cfrac%7B2%7D%7B3%7D%2B%5Cfrac%7B1%7D%7B4%7D%5C%5C%5C%5C%5Cfrac%7B8%2B3%7D%7B12%7D%5C%5C%5C%5C%3D%5Cfrac%7B11%7D%7B12%7D" />B)<img src="https://tex.z-dn.net/?f=%5Cfrac%7B19%7D%7B24%7D-%5Cfrac%7B5%7D%7B12%7D%5C%5C%5C%5C%5Cfrac%7B19-10%7D%7B24%7D%5C%5C%5C%5C%5Cfrac%7B9%7D%7B24%7D%5C%5C%5C%5C%3D%5Cfrac%7B3%7D%7B8%7D" />C)<img src="https://tex.z-dn.net/?f=%5Cfrac%7B3%7D%7B2%7D-%5Cfrac%7B2%7D%7B4%7D%5C%5C%5C%5C%5Cfrac%7B3-1%7D%7B2%7D%5C%5C%5C%5C%5Cfrac%7B2%7D%7B2%7D%5C%5C%5C%5C%3D1" />D)[img = 10]E)[img = 11]F)[img = 12]G)[img = 13]En algunos no entendí tu letra.