Asked by dawn

Four buttons have diameters of 5/8 3/4, 9/16, and 7/8 inches. Which button is smallest?

A) 7/8 B) 5/8 C) 3/4 D) 9/16

i wanna say the answer is 3/4
Answered by Reiny
rewrite each with a common denominator of 16

5/8 = 10/16
3/4 = 12/16
9/16 = 9/16
7/8 = 14/16

Can you tell now?

or

change each fraction to a decimal by dividing top by bottom.
Answered by Ms. Sue
The way to decide this answer is to change all of these fractions so that they have the same denominator. In other words, find the least common multiple.
7/8 = 14/16
5/8 = 10/16
3/4 = 12/16
9/16 = 9/16

Which is the smallest numerator?

Answered by dawn
9/16 = 9/16
Answered by Ms. Sue
Right. The smallest button is 9/16 inch.
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