Answer:
Step-by-step explanation:
basicallyi you want to find a common denominator before you add them up. the common denominator in this case would be 20, since it's the first common multiple all of them share
50/20 plus 72/20 plus 55/20
177/20 would be your answer
Step-by-step explanation:
[tex] \sf{ \dfrac{5}{2} + \dfrac{18}{5} + \dfrac{11}{4} } [/tex]
[tex]\sf{ \dfrac{100 + 144 + 110}{40} } [/tex]
[tex]\sf{ \dfrac{354}{40} }[/tex]
