Question

б) 3 целых 5/24 минус 1 целых 7/36=

Answer 1

$3 frac{5}{24} - 1 frac{7}{36} = frac{3 times 24 + 5}{24} - frac{1 times 36 + 7}{36} = frac{77}{24} - frac{43}{36} = frac{3 times 77}{3 times 24} - frac{2 times 43}{2 times 36} = frac{231}{72} - frac{86}{72} = frac{145}{72} = 2 frac{1}{72}$