1/2, 1/4
CD is 2.
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The common denominator is 4
2 Convert 1/2 to 2/4, then 4 will be the common denominator.
First, find a common denominator. 1 is the same as 4/4. A half is the same as 2/4. And 1 quarter (.25) is the same as 1/4. So, since they are now all over a denominator of four, simply add the numerators and reduce. 4+2+1=7. 7/4 is your answer, or 1 3/4.
It is 4.
By converting to a common denominator (convert 1/2 to twelfths), and comparing. Because 5 is less than half of 12.