timesing fractions

Hello andyboy179

Quote:

Originally Posted by andyboy179

hi this is my question:

$3\frac{3}{4}$ x $\frac{5}{2}$

would the answer be, $4\frac{7}{8}$

No, but I can see how you got it: you multiplied $\frac34$ by $\frac52$ and added the result to $3$ .

You have to multiply the $3$ by $\frac52$ as well. So you write $3\frac34$ as a 'top-heavy' fraction first: $\frac{15}{4}$ . Then multiply:
$\frac{15}{4}\times\frac52=\frac{75}{8}=9\frac38$
Grandad