Respuesta :

txgirl101
4/5 - 5/10 =
4/5 = 8/10
5/10 = 5/10
8/10 - 5/10 = 3/10 ( lowest form)

how I got the denominator is 10 and 5 can go into each other. so 5 x 2 = 10 so, 2 x 4 = 8. 5/10 stays the same. then subtract.