Question

can someone explain how to multiply 4 x 1 3/4 i forgot how to multiply fractions with whole numbers..

Answer 1

\[4\times 1\tfrac{3}{4}=4\times \frac{7}{4}=\frac{28}{4}=7\]

Answer 2

or if you prefer,
\[4\times 1\tfrac{3}{4}=4\times 1+4\times \frac{3}{4}=4+3=7\] either way