Question

1 tercio más 7 cuartos?? ​

Answer 1

$\frac{1}{3} + \frac{7}{4} = \frac{4 + 21}{12} = \frac{25}{12}$

Answer 2

$\displaystyle \mathsf{\dfrac{1}{3} +\dfrac{7}{4} }\\\\\\\displaystyle \mathsf{\dfrac{4}{12}+\dfrac{21}{12}}\\\\\\\displaystyle \mathsf{\dfrac{4+21}{12} \to\frac{25}{12} }$