Question

$3\frac{3}{4}$ - $\frac{1}{12}$ - $\frac{7}{6}$

Answer 1

$\displaystyle 3 \frac{3}{4} - \frac{1}{12} - \frac{7}{6} = \frac{4 \cdot 3+3}{4} - \frac{1}{12} - \frac{7}{6} = \frac{12+3}{4} - \frac{1}{12} - \frac{7}{6} = \\ \\ = \frac{15}{4} - \frac{1}{12} - \frac{7}{6} = \frac{45-1-14}{12} = \frac{30}{12} = \boxed{\frac{5}{2} }$

Answer 2

3 3\4-1\12-7\6=
15\4-1\12-7\6=
numitorul comun este :12
45-1-14\12=30\12=5\2
succes