72/5 + 81/9 = 37/5 +73/9 = 333/45 + 365/45 = 698/45 = 1523/45
No. Two Fifths = 0.4 Eight Ninths = 0.8889
two fifths
The sum of 2/5 and 2/9 is 28/45.
The common denominator of four fifths and two ninths is 45.
20/45 + 18/45 = 38/45
Four ninths
One and two ninths
One fifth PLUS two fifths = 3 fifths
2
The sum of 2/5 and 8/9 is 1 13/45
1 1/9th
4/45ths