Question

(4 целых 1/9-3целых 4/15)÷38+4,2×5/7

Answer 1

$(4frac{1}{9} -3 frac{4}{15} ):38+4,2* frac{5}{7} = frac{38}{45}* frac{1}{38} +4 frac{1}{5} * frac{5}{7} = frac{1}{45}+ frac{21}{5}* frac{5}{7} = 3 frac{1}{45}$