Respuesta :

Answer:

B

Step-by-step explanation:

common means you want the same denominator so you want the denominator to be both 10. 2 x 2 = 4, 2 x 5 = 10 so 4/10

Answer:

answer is c 3/10 and 4/10

Step-by-step explanation:

alright so 10. 5 can go into 10 2 times. the 2 times is which is what we multiply the numerator by and the 5 by both multiplying by 2 equaling 4/10 for simpler explanation

5 goes into 10 2 times

multiply both sides by 2

2 x 2 = 4

--          --

5 x 2 = 10