Question

65 out of 80 simplified

Answer 1

you could write it as a fraction:
65/80
Both numbers are divisible by 5 so you can get
13/16,
or 13 out of 16

Answer 2

65/80 simplified would be...... 65 / 80 = (5 * 13) / (24 * 5) = ((5 * 13) : 5) / ((24 * 5) : 5) = (65 : 5) / (80 : 5) = 13 / 16