$$\frac{5}{7}+2\frac{3}{14}-1\frac{4}{5}$$
$\frac{79}{70}\approx 1.128571429$
$$\frac{5}{7}+\frac{28+3}{14}-\frac{1\times 5+4}{5}$$
$$\frac{5}{7}+\frac{31}{14}-\frac{1\times 5+4}{5}$$
$$\frac{10}{14}+\frac{31}{14}-\frac{1\times 5+4}{5}$$
$$\frac{10+31}{14}-\frac{1\times 5+4}{5}$$
$$\frac{41}{14}-\frac{1\times 5+4}{5}$$
$$\frac{41}{14}-\frac{5+4}{5}$$
$$\frac{41}{14}-\frac{9}{5}$$
$$\frac{205}{70}-\frac{126}{70}$$
$$\frac{205-126}{70}$$
$$\frac{79}{70}$$
Show Solution
Hide Solution
$\frac{79}{2 \cdot 5 \cdot 7} = 1\frac{9}{70} = 1.1285714285714286$
