Question

Найдите значение суммы и разности чисел​

Answer 1

Пошаговое объяснение

$7\frac{11}{12} +4\frac{9}{16} =\frac{95}{12} +\frac{73}{16} =\frac{380}{48} +\frac{219}{48} =\frac{599}{48} =12\frac{23}{48}$

$7\frac{11}{12} -4\frac{9}{16} =\frac{95}{12} -\frac{73}{16} =\frac{380}{48} -\frac{219}{48} =\frac{161}{48} =3\frac{17}{48}$

$5\frac{7}{30} +3\frac{11}{18} =\frac{157}{30} +\frac{65}{18}= \frac{471}{90}+ \frac{325}{90} =\frac{796}{90}=\frac{398}{45} =8\frac{38}{45}$

$5\frac{7}{30} -3\frac{11}{18} =\frac{157}{30} -\frac{65}{18} =\frac{471}{90} -\frac{325}{90} =\frac{146}{90}=\frac{73}{45} =1 \frac{28}{45}$