Respuesta :

1st Step:We should first change them all to have a common denominator.
2nd Step:We should find the least common multiple
4×1=4               8×1=8                 16×1=16
4×2=8               8×2=16
4×3=12             
4×4=16            
LCM is 16

[tex] \frac{1*4}{4*4} [/tex] + [tex] \frac{1*2}{8*2} [/tex] +[tex] \frac{1}{16} [/tex]
[tex] \frac{4}{16} [/tex] + [tex] \frac{2}{16} [/tex] + [tex] \frac{1}{16} [/tex]
[tex] \frac{7}{16} [/tex]

[tex] \frac{7}{16} [/tex] is the fraction of the page that is used in total.
turn the denominators into the same number by multipling them 
same to top as to bottom so
1/4 =4/16
1/8= 2/16
1/16 stays the same 

add together to get 7/16
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