1/1 + 1/1
2
1/2 + 1/9
11/18
8/8 +9/5
2 4/5
10/7 x 7/10
2 9/70
60e.20 - 37,152
60e.20−37152=-37119.3806
658e.20−5=
658e.20−5= 352.7258886