keisha bought 1/6 tank of gas in the morning on her way to work. she added 3/4 tank on her way home from work. what fraction of a take of gas did she buy all together

Respuesta :

1/6 x 2 = 2/12
3/4 x 3 = 9/12
2/12 + 9/12 = 11/12

Altogether, Keisha bought 11/12 of a tank of gas.