Question

1 16/21 + 4 2/3 подробно

Answer 1

$1 frac{16}{21} +4 frac{2}{3} = frac{37}{21} + frac{14}{3} = frac{37+14*7}{21}=\ = frac{37+98}{21}= frac{135}{21} = frac{45}{7}=6 frac{3}{7}$