Question

Mă puteți ajuta vărog!?​

Answer 1

a) 5 / 8 + 2 / 8 = (5 + 2) / 8 = 7 / 8

b) 7 / 10 + 2 / 10 = (7 + 2) / 10 = 9 / 10

c) 8 / 100 + 9 / 100 = (8 + 9) / 100 = 17 / 100

Answer 2

$\it \dfrac{5}{8}+ \dfrac{2}{8}=\dfrac{5+2}{8}=\dfrac{7}{8}\\ \\ \\ \dfrac{7}{10}+ \dfrac{2}{10}=\dfrac{7+2}{10}=\dfrac{9}{10}$