A) 8/5 * 1/4 + 23/10=2/5+23/10=27/10
B) 1 1/7 +3/7*36/15= 1 1/7 + 5/5= 1 1/7+1=2 1/7
C) 2 14/25 * 5/48 + 7/5 = 4/5 * 1/3 + 7/5 = 4/15 +7/5 = 5/3
D) 2 2/3 + 6/25 * 65/24 = 8/3 + 1/5 + 13/4 = 8/3 + 13/20 = 199/60