$$\frac{ 1 }{ 5 } +(- \frac{ 3 }{ 8 } -3 \frac{ 3 }{ 4 } )$$
$-\frac{157}{40}=-3.925$
$$\frac{8}{40}-\frac{15}{40}-\frac{3\times 4+3}{4}$$
$$\frac{8-15}{40}-\frac{3\times 4+3}{4}$$
$$-\frac{7}{40}-\frac{3\times 4+3}{4}$$
$$-\frac{7}{40}-\frac{12+3}{4}$$
$$-\frac{7}{40}-\frac{15}{4}$$
$$-\frac{7}{40}-\frac{150}{40}$$
$$\frac{-7-150}{40}$$
$$-\frac{157}{40}$$
Show Solution
Hide Solution
$-\frac{157}{40} = -3\frac{37}{40} = -3.925$
