Question

12supra7(17supra19+5supra17)+2supra19

Answer 1

$\frac{12}{7}( \frac{17}{19} + \frac{5}{17}) + \frac{2}{19} = \frac{12}{7} \times \frac{384}{323} + \frac{2}{19} = \frac{12 \times 384}{7 \times 323} + \frac{2}{19} = \frac{4608}{2261} + \frac{2}{19} = \frac{4846}{2261}$