Question

3 целых 11/8 минус 2 целых 27/42

Answer 1

$3 \frac{11}{8} - 2 \frac{27}{42} = 3\frac{11}{8} - 2 \frac{9}{14} = 3 \frac{77}{56} - 2 \frac{36}{56} = 1 \frac{41}{56}$