solve `4/6 xx 8/5 +8/9 + 4/5 + 6/5xx5/9 - 8/5xx6/11`

Simplify: (i) 5/12 xx (-36) , (ii) -17/18 xx 12 , (iii) -5/6 xx 6/5 , (iv) -14 xx 9/28 , (v) -12/5 xx (-15) , (vi) -3/4 by 8/7 , (v) -16/9 by 12/-5 , (vi) 35/(-8) by 12/(-5) (vii) -3/10 by -40/9 , (viii) -32/5 by 15/(-16) , (ix) -8/15 by -25/32

The product 3 1/7xx1 5/6xx1 2/5xx1 1/(11) is equal to (a) 5 8/5 (b) 5 4/5 . (c) 8 4/5 (d) 4 4/5

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

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

Simplify: (i) (2/5 xx 5/8) + (-3/7 xx 14/-15) , (ii) (-14/3 xx -12/7) + (-6/25 xx 15/8) (iii) (6/25 xx -15/8) - (13/100 xx -25/26) , (iv) (-14/5 xx -10/7) -(-8/9 xx 3/16)

Simplify: (i) 7/15 xx 5/6 , (ii) -5/24 xx 6/25 ,(iii) 7/(-18) xx -9/14 (iv) -9/5 xx -10/3 , (v) -28 xx -8/7 , (vi) 8/(-21) xx -14/3

Find the product: (i) 9/2 xx ((-7)/4) (ii) 3/(10) xx (-9) (iii) (-6)/5 xx 9/(11) (iv) 3/7 xx ((-2)/5) (v) 3/(-5) xx (-5)/3

Evaluate: (0.8 xx 0.8 xx 0.8 + 0.5 xx 0.5 xx 0.5)/(0.8 xx 0.8 - 0.8 xx 0.5 + 0.5 xx 0.5)

Find the product: (i) 3/4 xx 5/7 , (ii) 5/8 xx (-3/7) , (iii) (-2/5) xx 8

Find: c. 5 (7)/(9) xx 6