ПОМОГИТЕ!!!! a) 1 1/2-2/3 Б) 1 1/8-1/4
это 1 целая 1/2
1 целая 1/2-2/3
и 1целая 1/8-14
1 1/2 - 2/3 = 3/2 - 2/3 =(3 × 3 - 2 × 2)/6 = 9/6 - 4/6 = 5/6 1 1/8 - 1/4 = 9/8 - 1/4 =(9 × 1 - 1 × 2)/8 = 9 /8 - 2/8 = 7/8