=10/3*3/8=5/4=1 целая 1/4
162+20×37-5621÷11=162+740-511=902-511=391
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1-2/3=1/3;
1-3/10= 7/10;
1-7/9=2/9;
2-5/6= 1 1/6;
6-3/7= 5 4/7;
8- 2/3= 7 1/3;
7-5/8=6 3/8;
1-14/25= 11/25;
5 2/3-4=1 2/3;
12 1/4-9=3 1/4;
7 3/4-4= 3 3/4;
6-1-1/2=4 1/2;
4-2-3/5= 1 2/5;
7-1-2/3=5 1/3;
4-1-1/6= 2 5/6;
7 5/8-1/8= 7 4/8= 7 1/2;
10 8/9-2/9= 10 6/9= 10 2/3;
1 3/4 - 1/4= 1 2/4= 1 1/2;
4 7/8- 2 1/8= 2 6/8= 2 3/4;
9 2/11 - 8 1/11= 1 1/11;
4 2/5 - 4 1/5=1/5.