Question

помогите решить5целых1/3-(4целых1/5-8/15)

Answer 1

5 1/3 - (4 1/5 - 8/15) = 5 5/15 - 4 3/15 + 8/15 = 1 2/15 + 8/15 = 1 10/15 = 1 2/3