Eight and three fourths plus six and two fifths is fifteen and one twentieth.
three fifths plus one quarter = 17 twentieths
one and one tenth
1 7/20
Three fourths plus one eight is 1 whole
-33/20
2.15 or 2 and three twentieths
six and eleven twentieths
seven
First we need to convert them into like terms. Three fifths is twelve twentieths. Three fourths is fifteen twentieths. Together that is twenty-seven twentieths. That is one and seven twentieths or 1.35 in decimal.
11 15
0.9083333
eight-tenths