Question: what fraction is not equal to 1/2?
Answer: To compare 1/2 and 3/7 we would multiply 1/2 by 3/3 to produce 3/6. Since 3/6 is not the same as 3/7, the fractions are not equivalent. Fractions equivalent to 1/2 are 2/4, 3/6, 4/8, 5/10, 6/12 ...