Predict the result
Fractions describe equal-size parts and connect arithmetic with unit conversions.
Convert two and three fourths to an improper fraction.

Set up the model
Multiply the whole number by the denominator.
Add the numerator and retain the denominator.

Work the example
Two times four plus three is eleven.
The improper fraction is eleven fourths.

Check the result
Now convert five and one seventh to an improper fraction.
Take eight seconds to think before the answer appears.
[Eight-second silent pause to work; the answer remains hidden.]
The result is thirty six sevenths.

Interpret the result
The form changes, but the numerical value stays the same.