Final answer:
To convert a mixed number to an improper fraction, multiply the whole number by the denominator and add the numerator.
Step-by-step explanation:
To convert a mixed number to an improper fraction, you multiply the whole number by the denominator and add the numerator. This sum becomes the numerator of the improper fraction, and the denominator remains the same.
For example, to convert 1 and 7/12 to an improper fraction:
1 x 12 + 7 = 19
So, the improper fraction equivalent of 1 and 7/12 is 19/12.j