(5)/(7)+(1)/(3)

"(5)/(-7)+2(1)/(3)+4(2)/(5)

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))

(5+5+5)/(7+7+7)-(5+5)/(7+7)+(5)/(7)=?(1)/(7)(b)(3)/(7)(c)(5)/(7)(d)(13)/(14)

Simplify: (6)/(5) xx (3)/(7) - (1)/( 5) xx (3)/(7)

(1)/(3)+(1)/(3.3^(3))+(1)/(5.3^(5))+(1)/(7.3^(7))+....=

(5)/(1!)+(7)/(3!)+(9)/(5!)+....=

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

(1)/(1.3)+(1)/(2.5)+(1)/(3.7)+(1)/(4.9)+...=