When comparing twenty-three forty-seconds to one-half using mental math, what fraction is useful?

twenty-three halves

twenty-three twenty-firsts

twenty-one forty-seconds

twenty-three eighty-forths

Question

When comparing twenty-three forty-seconds to one-half using mental math, what fraction is useful?

twenty-three halves

twenty-three twenty-firsts

twenty-one forty-seconds

twenty-three eighty-forths

anonymous · Answer

Just to clarify the fraction in question is 23/42 correct?

anonymous · Answer

Assuming that the above is the correct fraction;
You want to compare 23/42 to 1/2 therefore what is 1/2 written with 42 as the denominator?

anonymous · Answer

Half of 42 is 21, so you would want to compare 23/42 with 21/42.