Question

9/20+5/8=?
2/7+13/28=?
5/13-14/39=?
5/8-2/7=?
3/4+5/12=?
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Answer 1

Ответ:

9/20+5/8=0,45+0,625=1,075

2/7+13/28=8/7+13/28=21/28=3/4=0,75

5/13-14/39=15/39-14/39=1/39

5/8-2/7=35/56-16/56=19/56

3/4+5/12=9/12+5/12=14/12=7/6=1 целая 1/6

Answer 2

фото прикреплено

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