Помогите с 321(д,е,ж,з,и,к,л,м)

Question

Помогите с 321(д,е,ж,з,и,к,л,м)

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Answer 1

5/9-5/12=20/36-15/36=5/36

7/12-7/20=35/60-21/60=14/60=7/30

5/6+3/8=20/24+9/24=29/24=1 5/24

19/21-11/15=95/105-77/105=18/105=6/35

21/22-3/55=105/110-6/110=99/110

5/42+10/63=15/126+20/126=25/126

11/21-2/35=55/105-6/105=49/105=7/15

5/24+7/60=25/120+14/120=39/120=13/40