`(1/4 xx 2/7)- ( 5/(14) xx 2/3)`

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

Simplify: (-18 1/3 xx 2 8/11) -(4 5/7 xx 2 (1/3))

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

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

(3/2 xx (-7)/4) - ((-5)/2 xx 3/4)

Evaluate (i) 3/2 xx 4/5+3/5 xx 4/5 (ii) 14/3 xx 7/2-1/3 xx 7/2

2/5 xx (-3)/7 - 1/14 -3/7xx 3/5

What will be the Least Common Multiple of 2^(2) xx 3^(5) xx 7^(3) and 2^(4) xx 3^(4) xx 7^(1) ?

Perform the following multiplication a) 2/9 xx 7/8 xx 1/9 b) 1/3 xx 4/5 xx 1/4 c) 1/3 xx 2/4 xx 5/3 d) 1/2 xx 1/3 xx 1/4 e) 1/5 xx 2/5 xx 2/3 f) 2/3 xx 5/6 xx 1/4