math fractions
posted by lexi on .
how do you put 7/16, 5/8, and 3/4 in order from greatest to least

Convert the second two fractions so they have the same common denominator.

turn them into decimals

Sometimes it is easier to use a common denominator. In some cases, it is easier to cnvert all fractions to decimals. It depends on the compexity
of the fractions and the background of the student nvolved. In this case it is easy to convert to a common denominator:
7/16
5/8 = 10/16
3/4  12/16
Now we know the fraction with the largest numerator is greatest.
ORDER: 12/16, 10/16, 7/16. 
1/8+1/12=