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