IXL | Convert, compare, add, and subtract mixed customary units

Convert:

68 in = ft in

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Learn with an example

Subtract:

5 tbsp − 3 tbsp 1 tsp = tbsp tsp

1 tablespoon (tbsp) = 3 teaspoons (tsp)

Subtract tablespoons from tablespoons and teaspoons from teaspoons.

5 tbsp − 3 tbsp 1 tsp

There are not enough teaspoons in the first measurement to subtract. So, decrease the tablespoons by 1 and increase the teaspoons by 3.

4 tbsp 3 tsp − 3 tbsp 1 tsp

Now subtract tablespoons from tablespoons and teaspoons from teaspoons.

4 tbsp 3 tsp − 3 tbsp 1 tsp = 1 tbsp 2 tsp

Looking for more? Try these:

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Now entering the Challenge Zone—are you ready?

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Teacher tools

Work it out

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