7/10 must be added to 3/10 to make 1 whole.
Five-ninths must be added to four-ninths to make a whole.
2 halves make a whole. So if you have one half then you need another one to make it a whole. 1/2 + 1/2 = 1
2/5+3/5 = 1
5/5 is a whole, therefore is you have 3/5 you need another 2/5 to make it 5/5.
four fifths must be added to make it whole
What must be added to 3 tenths to make 1 whole
7/10 must be added to 3/10 to make 1 whole.
7/10 must be added to 3/10 to make a whole number, 1.
Five-ninths must be added to four-ninths to make a whole.
0.997
5/8
Since 610 is a whole number, adding any other whole number will also result in a whole number.
2 halves make a whole. So if you have one half then you need another one to make it a whole. 1/2 + 1/2 = 1
610 is whole. If you mean 6 over 10, then 4 over 10 is needed.
1/4 of a pizza.
2/5+3/5 = 1