Asked by Ashley

How do you find a common denominator when subtracting whole numbers and fractions?
Answered by Ms. Sue
Find the common denominator for the fractions.

Example:

2 3/4 - 1 2/5

The common denominator is 20.

2 3/4 = 11/4 = 55/20

1 2/5 = 7/5 = 28/20
Answered by Ashley
Thank you sooo much for your help now it all makes sence!!!! ;))
Answered by Ashley
Please explain how i would do this.
8 1/9 - 1 6/7 =?
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