Question

4/15 + 3/4 =

5/6 - 9/14 =

8/13 : 4/26 =

12/15 × 30/60 =

нужно с решением, помогите плиз срочно
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Answer 1

1)61/60
2)4/21
3)4
4)2/5

Answer 2

4/15 + 3/4=16/60 + 45/60=61/60=1 1/60

5/6 - 9/14=20/24-18/24=2/24

8/13:4/26=8/13*26/4=4/1=4

12/15*30/60=2/5