Question

alguém de bom coração e com tempo livre poderia me ajudar nessa atividade?
Sério helpa eu,é pra amanhãKKK​

Answer 1

Explicação passo-a-passo:

a) 2/3+1/4= 8/12+3/12= 11/12 (mmc=12)

b) 1/2+3/5= 5/10+6/10= 11/10 (mmc=10)

c) 3/7-1/6= 18/42-7/42= 11/42 (mmc=42)

d) 2/5-3/8= 16/40-15/40= 1/40 (mmc=40)

e) 3/4-1/5= 15/20-4/20= 11/20 (mmc=20)

f) 7/10+1/6= 21/30+5/30= 26/30 (mmc=30)

g) 2/3+1/4= 8/12+3/12= 11/12 (mmc=12)

h) 3/5-2/7= 21/35-10/35= 11/35 (mmc=35)

i) 3/4-4/9= 27/36-16/36= 11/36 (mmc=36)

j) 3/11+1/5= 15/55+11/55= 26/55 (mmc=55)