If Jason eats 3/6 of a birthday cake and Mike eats 2/6 of the same cake, how much of the birthday cake was eaten?
a.5/6
b.5/12
If a pizza is divided into 8 equal slices and Lily eats 3/8 of the pizza, how much of the pizza is left?
a.3/6
b.5/8
There are 10 t-shirts. 7/10 of the tee-shirts are blue. The rest are green. How many t-shirts are green?
a.7
b.3