9 is the common denominator. 2/3 = 6/9.
2 5 ths
5/6 + 2/5... 5/6=25/30 & 2/5=12/30 so... 25+12=37 therefore the answer is 1 7/30
3/5 ths
Add 1 and 3/7ths.
(3/9)/(2/9)=3/2=1.5
9 is the common denominator. 2/3 = 6/9.
2 5 ths
For 3/8 ths there are 6/16 ths, 9/24 ths etc.... For 9/16 ths there are 18/32 ths, 27/32 ths, etc...
360
2/5 ths
2
6/9 ths
2/4 = 1/2
2 and 3
In descending order: 7/10, 2/3, 8/15 and 1/2
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