Crystal completed 1/3 of her homework assignment on friday and 3/7 of her assignment on saturday. what is the amount of her assignment that she has left to complete?

change 1/3 to 9/21 and 3/7 to 9/21 bc they are common factors. add 9/21+9/21 and get 18/21 and then simplify by 3 to get 6/7.

exa:

)

3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.

6 and 24

step-by-step explanation:

6 x 4 = 24