Respuesta :

Answer:

79/100 should be right

Step-by-step explanation:

Answer:

20/100+59/100=79/100

Step-by-step explanation:

100/10=10

ten is what they have in common

what you do to the bottom you have to do to the top

2x10=20

10x10=100 so 20/100 is equivalent to 2/10