how do you rename 2/5 so you can add it to 11/25 what us the sum
The common denominator is 25.
25 divided by 5 = 5
5 * 2 = 10
2/5 = 10/25
10/25 + 11/25 = ?
Add the numerators.
you need a common denominator. you can use 25 because it is a multiple of 5. To turn the denominator, which is 5, into 25 you have to multiply it with 5. however, then you must also multiply the numerator:
2/5 x 5/5 = 10/25
10/25 + 11/25 = ____