Use mental math to compare 5/6 and 13/18. Explain how you arrived at your answer.
( Help Me !!! )

Question

Use mental math to compare 5/6 and 13/18. Explain how you arrived at your answer.
( Help Me !!! )

anonymous · Answer

Fractions are just division problems. So take 5 divided by 6 and 13 divided by 18. See which one is bigger and you will have your answer.

anonymous · Answer

u need LCD to compare those fractions.  you can factor those in your head and multiply.

anonymous · Answer

loco is right too.  just easier if u dont have to divide into decimals.

anonymous · Answer

Yeah your right, it is harder when it is decimals.

anonymous · Answer

since 5/6 and 13/18 both have 36 in common you can make them the same and multiply the numerators.

anonymous · Answer

if u pay attention denominator of 5/6 can be made as 18 which is same as that of second number my multiplying and didving 5/6 by 3 so you get 15/18 which is greater than 13/18

anonymous · Answer

do u get it

anonymous · Answer

Yes Thank you, It was hard because it made me starting to do Decimals when i started to divide.