Respuesta :

multiply the top numbers (the numerators)
2nd multiply the bottom number is (the denominator) and 3rd simplify the fraction if needed
multiply the numerators then divide the denominators 
for example
1\2 x 3\4
(1 x 3=3)
(2 x 4=8)
answer=3\4
in division ,write the first equation,change the sign and then reciprocate the second equation.
for example
1\2 divided by 3\4
1\2 x 4\3
answer=2\3