Question

одна 33+одна 12 сколько будет

Answer 1

12/396+33/396=45/396=15/132=5/44

Answer 2

$frac{1}{33} + frac{1}{12} = frac{1*12}{33*12} + frac{1*33}{12*33} = frac{12}{369} + frac{33}{396} = frac{12+33}{396} = frac{45}{369} = \ = frac{15}{132} = frac{5}{44}$