Question

1 целая 1/21 - 4/9
Вычислить.
Запишите несократимую дробь

Answer 1

1 1/21-4/9=
1 3/63-28/63=
66/63-28/63=
38/63

Answer 2

$1 \frac{1}{21} - \frac{4}{9} = \frac{22}{21} - \frac{4}{9} = \frac{66}{63} - \frac{28}{63} = \frac{38}{63}$