Question

me ajudem plss
a) 12/18 + 4/18 = ______

b) 5/12 + 9/12 = ______

c) 3/5 + 2/5 = ______

d) 4/8 + 10/8 = ______

e) 11/15 + 4/15 = ______

f) 8/13 + 18/13 = ______

g) 2/14 + 19/14 = ______

h) 8/15 + 22/15 = ______

Answer 1

Resposta:

conserva o denominador e soma os numeradores:

a) 12/18 + 4/18 = 16/18

b) 5/12 + 9/12 = 14/12

c) 3/5 + 2/5 = 5/5 = 1

d) 4/8 + 10/8 = 14/8

e) 11/15 + 4/15 = 15/15 = 1

f) 8/13 + 18/13 = 26/13

g) 2/14 + 19/14 = 21/14

h) 8/15 + 22/15 = 30/15 = 2