Respuesta :

Step 1: Multiply the numerator and the denominator by a radical that will get rid of the radical in the denominator.
Step 2: Make sure all radicals are simplified.
Step 3: Simplify the fraction if needed.
3√7 / 3√49  (Note: √49 = 7)
= 3√7 / 3·7
= (3/3) · (√7/7)
=    1    · (√7/7)
=   √7/7