Add mixed numbers crossing the whole
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I can add mixed numbers crossing the whole.
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Improper fractions can be added in the same way as proper fractions.
A mixed number can be partitioned into its parts when adding it to improper or proper fractions.
To add two mixed numbers, the whole number parts can be added and the fractional parts can be added.
If the sum has a fractional part greater than one, this needs a conversion to express it as a conventional mixed number.
A number line is a useful tool to use to support addition of mixed numbers.
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