ПОМОГИТЕ!!!! номер 473.

Question

ПОМОГИТЕ!!!! номер 473.

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Comments

1/4+1/3=3+4/12

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1/5+1/4=4+5/20

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1/5+1/6=5+6/30

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1/7+1/4=4+7/28

Answer 1

А) 1/4+1/3=7/12 Б) 1/5+1/4=9/20 В) 1/6+ 1/5= 11/30 Г) 1/7+1/4=11/28