Выполните действие 2 7/16+1 9/16= 1 1/2 -1/4 = 2 2/5+1,5= 4 1/6-2 1/18= 1 5/8+2 7/8=

2 7/16 + 1 9/16 = 39/16 + 25/16 = 39 +25/16 = 64/16 = 4;1 1/2 - 1/4 = 3/2 - 1/4 =3*2/2*2 - 1/4 =6/4 -1/4 = 6-1/4 =5/4 =1 1/4;2 2/5 + 1,5 = 12/5 + 15/10 = 12*2/5*2 + 15/10 = 24/10 + 15/10 = 24+15/10 = 39/10 = 3 9/10;4 1/6 - 2 1/18 = 25/6 - 37/18 = 25*2/6*2 - 37/18 = 50/18 - 37/18 = 50-37/18 = 13/18;1 5/8 + 2 7/8 = 13/8 + 29/8 = 42/8 = 5 2/8 = 5 1/4.