5
Eleven- fifths plus four- fifths equals fifteen- fifths, which reduces to three wholes. (11/5+4/5=15/5, or 3/1)
7 4/5
10/3 + 17/5 = 50/15 + 51/15 = 101/15 = 6 and 11/15
The sum is 23/30
6 wholes and 7/12
four fifths is equal to eight tents, so three tenths plus eight tenths is eleven tenths, or one and one tenth
six tenths or three fifths
(Three of anything) plus (another three of it) = (six of the same thing)
12/12 or 1 whole
one and five tenths or one and a half
three fifths plus one quarter = 17 twentieths