`solve -2/3xx1/5+4/9xx6/11+2/9-3/5`

Solve: 7+{3xx(9-3xx2)-1}

Simplify: (3/2xx1/6)+(5/3xx7/2)-\ ((13)/8xx4/3)

Multiply and reduce to lowest form : (i) 7 xx 3/5 (ii) 4 xx 1/3 (iii) 2 xx 6/7 (iv) 2/3 xx 4 (v) 5/2 xx 6 (vi) (11) 4/7 (vii) 20 xx 4/5 (viii) 13 xx 1/3 (ix) 15 xx 3/5

(1/4xx2/3)xx5/6=...xx(2/3xx5/6)

If 1-1/3+1/5-1/7+1/9-1/(11)+=pi/4 , then value of 1/(1xx3)+1/(5xx7)+1/(9xx11)+ is pi//8 b. pi//6 c. pi//4 d. pi//36

i) 2/3 xx (2) 2/3 (ii) 2/7 xx 7/9 (iii) 3/8 xx 6/4 (iv) 9/5 xx 3/5 (v) 1/3 xx (15)/8 (vi) (11)/2 xx 3/(10) (vii) 4/5 xx (12)/7

Multiply and express as a mixed fraction : (a) 3 xx 5 1/5 (b) 5 xx 6 3/4 (c) 7 xx 2 1/4 (d) 4 xx 6 1/3 (e) 3 1/4 xx 6 (f) 3 2/3 xx 8

Using appropriate properties find. (i) - 2/5 xx 3/5 + 5/2 - 3/5 xx 1/6 (ii) 2/5 xx (-3/7) - 1/6 xx 3/2 + 1/14 xx 2/5

Simplify: (i) ((13)/9xx(-15)/2)+(7/3xx8/5)+(3/5xx1/2) (ii) (3/(11)xx5/6)-(9/(12)xx4/3)+(5/(13)xx6/(15))

Simplify : ((-3)/2xx4/5)+(9/5xx(-10)/3)-(1/2xx3/4)