Find the sum of `1 1/2+6`

Find the sum : 1 1/8 - 2 3/4 + 6 2/3

Find the sum of 1 + 2 + 3 + …………… + 50 + 49 + ……… + 3 + 2 + 1

Find the sum : 1 1/4+1 1/2

Find the sum of 16 terms of the AP , 6, 5""1/3,4""2/3,4 ,…….

Find the sum of 1.4 and 2.23 .

Find the sum: 2/5 + 1/5

Find the sum : (1)/(2) + (1)/(6) + (1)/(12) + (1)/(20) + (1)/(30 ) + (1)/(42) + (1)/(56) + (1)/(72) + (1)/(90) + (1)/(110) + (1)/(132)