six tenths or three fifths
The sum is 23/30
four fifths is equal to eight tents, so three tenths plus eight tenths is eleven tenths, or one and one tenth
one and five tenths or one and a half
three fifths plus one quarter = 17 twentieths
12/12 or 1 whole
Three and four-fifths
No, one half is 50% and three fifths is 60%. One half also equals three sixths and not three fifths.
One and one-half plus one-tenth equals 1 and six tenths or one and three fifths.
Call it 21 fifths minus 13 fifths, ie 8 fifths which is one-and-three-fifths