2. Verify the following: `-12/7 + 2/5 = 2/5 + -12/7`

Verify the following: (i) 3/7 times (5/6 + 12/13) = (3/7 times 5/6) + (3/7 times 12/13)

Verify the following: [7 + (-8)] + (-5) = 7 + [(-8) + (-5)]

Verify the following: (i) (-12)/(5)+(2)/(7)=(2)/(7)+(-12)/(5) (ii) (-5)/(8)+(-9)/(13)= (-9)/(13)+(-5)/(8) (iii) 3+(-7)/(12)=(-7)/(12)+3 (iv) (2)/(-7)+(12)/(-35)=(12)/(-35)+(2)/(-7)

What is wrong in the following? 7/4 + 5/2 = 7/4 + 5/2 = 12/6 = 2

Re-arrange suitably and find the sum in each of the following: 2/3+(-4)/5+1/3+2/5 (ii) 1/8+5/(12)+2/7+7/(12)+9/7+(-5)/(16)

Verify each of the following: (i) ((5)/(7)xx (12)/(13))xx(7)/(18)= (5)/(7) xx ((12)/(13)xx(7)/(18)) (ii) (-13)/(24)xx((-12)/(5)xx(35)/(36))=((-13)/(24)xx(-12)/(5))xx (35)/(36) (iii) ((-9)/(5)xx (-10)/(3)) xx (21)/(-4) = (-9)/(5) xx ((-10)/(3) xx (21)/(-4))

Verify the following:- (ii) (-15)/(4)times((3)/(7)+(-12)/(5))=((-15)/(4)times(3)/(7))+((-15)/(4)times(-12)/(5)) .

Calculate the following 5/6+7/12

Verify each of the following: (i) (3)/(7)xx(-5)/(7) = (-5)/(9)xx(3)/(7) (ii) (8)/(7) xx (13)/(9) = (13)/(9) xx (-8)/(7) (iii) (-12)/(5)xx (7)/(-36) = (7)/(-36) xx (-12)/(5) (iv) -8 xx (-13)/(12) = (-13)/(12)xx(-8)

Find the mode of the each of the following data collection. 5, 2, 7, 3, 5, 2, 9, 12, 13, 15, 2, 7, 3,5,7,6