complex adding fractions is multiplying the denominators on a question so they are the same (but what ever you multiply to get the denominator you multiply the nominator)

for example: 2/2 + 5/1

the denominators are 2 and 1

so the the first multiple that is in the 1 and 2 times tables is 2

so the first fraction stays the same

but the second fraction is times by 2

so the new fraction is

2/2 +10/2

now all you do is add 2 and 10 together

which is a top heavy fraction at 12/2 now you can simlife this and it will be

6/1

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