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Which arrangement for these numbers is from least to greatest? a. -4/5, -7/9, -5/8, -3/7 b. -4/5, -5/8, -7/9, -3/7 c. -7/9, -5/8, -3/7, -4/5 d. -3/7, -4/5, -5/8, -7/9,
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Which arrangement for these numbers is from least to greatest?

a. -4/5, -7/9, -5/8, -3/7
 
b. -4/5, -5/8, -7/9, -3/7

c. -7/9, -5/8, -3/7, -4/5

d. -3/7, -4/5, -5/8, -7/9,

Which arrangement for these numbers is from least to greatest? a. -4/5, -7/9, -5/8, -3/7 b-example-1
User Peter Evjan
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1 Answer

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The easiest way to do this is to find a common denominator among all those denominators. Multiplying all those together gives you 2520. So now just get the equivalent numerator that goes along with it. -5/8 = -1575/2520; -7/9 = -1960/2520; -4/5 = -2016/2520; -3/7 = -1080/2520. Of course the least of these is the one that is most negative, which is the equivalent of -4/5. Next would be the equivalent of -7/9. Next is -5/8, and lastly, -3/7. So your choice is a.
User Aliaksei Stadnik
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