Question

Знайдіть різницю:
1) 5 3/4 - 1 9/10 2) 7 3/8- 4 5/12 3) 9 3/10- 6 7/15

Answer 1

$5\frac{3}{4} -1\frac{9}{10} =\frac{23}{4} -\frac{19}{10} =\frac{115}{20} -\frac{38}{20} =\frac{77}{20} =3\frac{17}{20} \\\\7\frac{3}{8} -4\frac{5}{12} =\frac{59}{8} -\frac{53}{12} =\frac{177}{24} -\frac{106}{24} =\frac{71}{24} =2\frac{23}{24}\\\\9\frac{3}{10}-6\frac{7}{15}=\frac{93}{10} -\frac{97}{15} =\frac{279}{30} -\frac{194}{30}=\frac{85}{30} =\frac{17}{6} =2\frac{5}{6}$