girl,u just need to make sure that the denominator is the same.. like 1/2 just now.. the denominator is 2.. for 5/8 the denominator is 8.. all u can do is just multiply 2 with 4 so that the answer is 8. if u multiply the denominator,dont forget to multiply the numerator with the same number . do you understand? .. the rest of the questions have the same method