Question

divide the sum of 8 upon 3 and 12 upon 7 by their difference​

Answer 1

$\: \: \: \: \frac{ \: \frac{8}{3} + \frac{12}{7} \: }{ \frac{8}{3} - \frac{12}{3} } \\ = \frac{ \: \frac{56 + 36}{21} \: }{ \frac{56 - 36}{21} } \\ = \frac{92}{20} \times \frac{21}{21} \\ = 4.6$

Answer 2

3 on 49 is the answer