Question

efectuati adunarile: b)11 supra 25 + 3 supra 50 =
c)7 supra 12 + 5 supra 18 =

Answer 1

b)

$\frac{11}{25} + \frac{3}{50} = \frac{22}{50} + \frac{3}{50} = \frac{25}{50} = \frac{1}{2}$

c)

$\frac{7}{12} + \frac{5}{18} = \frac{21}{36} + \frac{10}{36} = \frac{31}{36}$