[rArrquad (-2)/(3)+(5)/(9)-(-7)/(6)=((-2)times6+5times2+7times3)/(18)=(-12+10+21)/(18)=(-12+31)/(18)=(19)/(18)],[" (ii) We have,"]

Simplify :(-2)/(3)+(5)/(9)-(-7)/(6)(ii)(5)/(12)+(-5)/(18)-(7)/(24)

Add: (5)/(12) and ((-7))/(18)

sqrt(5^(2)times14-6times7+(4)^(7))=18

Evaluate : (ii) (7)/(6)xx(-18)/(91)

Find each of the following products: {:((i)(3)/(5)xx(-7)/(5),(ii)(-9)/(2) xx (5)/(4),(iii)(-6)/(11) xx (-5)/(3)),((iv) (-2)/(3) xx (6)/(7),(v)(-12)/(5)xx(10)/(-3),(vi) (25)/(-9)xx(3)/(-10)), ((vii) (5)/(-18)xx(-9)/(20),(viii) (-13)/(15) xx (-25)/(26), (ix) (16)/(-21)xx(14)/(5)), ((x) (-7)/(6) xx 24,(x i) (7)/(24)xx (-48), (x ii) (-13)/(5)xx(-10)):}

Simplify : (i) (-2)/3+5/9-(-7)/6 (ii) 5/(12)+(-5)/(18)-7/(24)

Simplify : (i) (-2)/3+5/9-(-7)/6 (ii) 5/(12)+(-5)/(18)-7/(24)

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))

What is the value of (3)/(7) div (9)/(21) +2-(4)/(3)+(1)/(2)" of "(12)/(5) xx (25)/(18) div (5)/(9) ?