find the sum of (-3/7)+(-2/3)

Draw hops on a number line to show the addition statement and find the sum : {:(a.,3 + (-7),b.,(-4) + 6),(c.,3 + 5,d.,(-2) + (-5)):}

Divide the sum of (3)/(7) "and" (-5)/(14) "by" -(1)/(2) .

Re- arrange suitably and find the sum: (-4)/7+7/6+2/7+\ 3+\ (-11)/6

Find the sum of series (3^3-2^3)+(5^3-4^3)+(7^3-6^3)+... to n terms

Find the sum of series (3^3-2^3)+(5^3-4^3)+(7^3-6^3)+ ... n terms.

Find the sum: 3(1)/(2)+7

Find the sum: 4(3)/(5)+2(7)/(8)

Find the sum: 3(27)/(30)+2(7)/(12)

Re- arrange suitably and find the sum: 5/3+(11)/2+\ (-9)/4+\ (-8)/3+\ (-7)/2

Find the sum 3(1)/(5)+4(3)/(5)+7(2)/(5)