Question

вычислите дробь 12 13/30 - 3 17/20

Answer 1

12 13/30 - 3 17/20 = 12 26/60 - 3 51/60 = 11 86/60 - 3 51/60 = 8 35/60 = 8 7/12

Answer 2

$frac{(373*2)-(77*3)}{60} = frac{746-231}{60}= 8 frac{35}{60}$