Question

if 2/3 of the girls in class have brown eyes and 1/4 of the girls have blue eyes, what fraction of the girls in class have neither blue or brown eyes? need help

Answer 1

1 - ( 2/3 + 1 /4 ) =
= 1 - ( 8 / 12 + 3 / 12 ) =
= 1 - 11 / 12 = 12 / 12 - 11 /12 = 1 /12
Answer:
1 / 12 of the girls in class have neither blue or brown eyes.