Write a related subtraction fact for 9 + 3 = 12. Explain how the two facts are related.
1 answer:
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Do you mean this number:
?
The we have to simplify the fraction part, since the nominator is bigger than the denominator.
How many denominators fit into the nominator? 20: 4=5
5! so
is simply 5 and we can add it to the main number:
175+5=180
The we have to simplify the fraction part, since the nominator is bigger than the denominator.
How many denominators fit into the nominator? 20: 4=5
5! so
175+5=180
