Express the ratio 3 2/3 : 7 1/3 in its simplest form.  Choose the correct choice
A) 1 : 21
B) 1 : 1
C) 2 : 1
D) 1 : 2
E) 2 : 11

Rationale: solution we first convert the mixed numbers 3 2 / 3 and 7 1 / 3 into fractions 3 2 / 3 = 3 * 3 / 3 + 2 / 3 = 11 / 3 7 1 / 3 = 7 * 3 / 3 + 1 / 3 = 22 / 3 the ratio 3 2 / 3 : 7 1 / 3 can be expressed as 11 / 3 ÷ 22 / 3 = 11 / 3 × 3 / 22 simplify = 11 / 22 = 1 / 2 the ratio is 1 / 2 or 1 : 2 answer is d
Answer: D