20/45 + 18/45 = 38/45
Four ninths
No. Two Fifths = 0.4 Eight Ninths = 0.8889
twelve fifteenths or four fifths
6/9 or 2/3
Five ninths.
The common denominator of four fifths and two ninths is 45.
25
2
It is eight ninths.
Four ninths
2/9 + 4/510/45 + 36/4546/45 or 1 1/45
No. Two Fifths = 0.4 Eight Ninths = 0.8889
The sum of 2/5 and 2/9 is 28/45.
two fifths
Five ninths.
twelve fifteenths or four fifths
6/9 or 2/3