Fractions Subtraction: Mixed Fractions

To subtract mixed fractions, just subtract the numbers - the whole numbers - and then subtract the fractions.

Our first example is 8 6/7 - 3 4/7:

8 - 3 = 5

6/7 - 4/7 = 2/7.

So, the answer is 5 2/7.

Our next example is 3 1/2 - 2 1/4

3 - 2 = 1.

We saw in Fractions Subtraction: Simple Fractions, Least Common Denominator that

1/2 - 1/4

gets rewritten as

2/4 - 1/4

2/4 - 1/4 = 1/4.

So, the answer is 1 1/4.

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