Question

Oblicz:
a) 1/3 + 3/4= 4/12 + 9/12 = 13/12 = 1 1/12
2/3 + 4/7 =
5/6 + 7/9=
5/8 + 3/10 =

te kreski to kreski ułamkowe

Answer 1

1/3 + 3/4 = 4/12 + 9/12 = 13/12 = 1 1/12

2/3 + 4/7 = 14/21 + 12/21 = 16/21

5/6 + 7/9 = 45/54 + 42/54 = 87/54 = 1 33/54

5/8 + 3/10 = 25/40 + 12/40 = 37/40