12-1/7; 21- 4/13; 45- 23/43; 99- 43/45

Question

12-1/7; 21- 4/13; 45- 23/43; 99- 43/45

Answer 1

A) 12-1/7=84/7-1/7=83/7=11 6/7
B) 21-4/13=273/13-4/13=269/13=20 9/13
C) 45-23/43=1935/43-23/43=1912/43=44 20/43
D) 99-43/45=4455/45-43/45=4412/45=98 2/45