Question

выполните сложение 3 11/20+2 14/30​

Answer 1

3 33/60+2 28/60=5 61/60=6 1/60

Answer 2

$3 frac{11}{20} + 2 frac{14}{30} = frac{3 times 20 + 11}{20} + frac{2 times 30 + 14}{30} = frac{71}{20} + frac{74}{30} = frac{71 times 3}{20 times 3} + frac{7 times 2}{30 times 2} = frac{213 + 148}{60} = frac{361}{60} = 6 frac{1}{60}$