Question

Lucy the cow gives 5 1/2 liters of milk each day lucky gives 8 5/8 liters of milk everyday. How much milk is given by lucky compared to Lucy?

Answer 1

(8-5)+(5/8-1/2)
3+1/8
3 1/8 liters

Answer 2

To compare, we find the difference:

.

$8\dfrac{5}{8} - 5\dfrac{1}{2} = 8\dfrac{5}{8} - 5\dfrac{4}{8} = 3\dfrac{1}{8}$

.

Answer: Lucky gives 31/8 litres more milk than Lucy.