Answer:
Multiply the whole number with the denominator of the proper fraction. Add the numerator of the proper fraction to this product to obtain the numerator of the improper fraction.
Step-by-step explanation:
Let us convert 3¼ into an improper fraction.
Numerator of the improper fraction = (3 × 4) + 1 = 13
The denominator of the fraction will stay the same = 4
Hence 3¼ converted into an improper fraction will be 13/4