(-12)/(5)+(-7)/(20)+(3)/(14)+(1)/(7)+(-1)/(10)

[[1,0,-13,4,50,-6,-7]]=[[(1)/(10),(3)/(10),(1)/(5)(21)/(20),-(7)/(20),-(2)/(5)-(9)/(10),(3)/(10),(1)/(5)]]

-(3)/(7)xx(6)/(5)+(1)/(10)xx(3)/(2)-(6)/(5)xx(1)/(14)

(2)/(5)x-(3)/(7)-(1)/(14)-(3)/(7)times(3)/(5)

Simplify : ((1)/(12) + ((-3)/( 4)) + (7)/(8)) xx (3 (2)/(5) - (7)/(10) + ((-2)/( 15)) - 10 (1)/(30))

Using appropriate properties find : (2)/(5) xx ((-3)/(7)) - (1)/(6) xx (3)/(2) + (1)/(14) xx (2)/(5) = (2)/(5) xx ((-3)/(7)) + (1)/(14) xx (2)/(5) - (1)/(cancel6) xx (cancel 3)/(2) = (2)/(5) xx ((-3)/(7) + (1)/(14) ) - (1)/(4) = (2)/(5) xx ((-6+1)/(14))- (1)/(4) = (cancel 2)/(cancel 5) xx (-cancel 5)/(cancel14) - (1)/(4) = (-1)/(7) - (1)/(4) (- 4 - 7)/(28) = (-11)/(28)

Evaluate : (i) (12!)/(10!) (ii) (14!)/(10!5!) (iii) (1)/(4!)+(1)/(5!)+(1)/(6!)+(1)/(7!)

Evaluate : (i) (12!)/(10!) (ii) (14!)/(10!5!) (iii) (1)/(4!)+(1)/(5!)+(1)/(6!)+(1)/(7!)

The value of 15(7)/(10)+3(1)/(5) of [5(1)/(8)-(2(1)/(4)+(5)/(3)xx(15)/(14)div(10)/(9) of (3)/(14))] is :

The value of: [(5/7 " of " 1 (3)/(8) " of " 6/7)] div [1-(1)/(7) xx ( 5/12 +(1)/(3)) ] xx ((1)/(7) -(1)/(9))/((1)/(7) +(1)/(9))

((1)/(1.4 )+ (1)/(4.7 ) +(1)/(7.10 )+(1)/(10.13 )+(1)/(13.16)) is equal to