3.
first, we have to express the mixed number as a simple fraction :
3 1/4
For the numerator (top number) we have to multiply the whole number (3) by the denominator ( bottom number =4) and add the numerator (1). The denominator stays the same
(3x4+1)/4 = 13/4
Now, we can multiply
Multiply the top number and the bottom numbers:
Simplify by 2