If you want to find equivalent fractions<span> to, say, 3/4, you can multiply the numerator and denominator by the same number. You don't change the value of a </span>fraction<span> if you multiply its top and bottom numbers by the same number because you are just multiplying by 1.
here https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=2&cad=rja&uact=8&ved=0ahUKEwj7v8XR_-fP... </span>