Question

determine as somas e as subtrações seguintes :

a) 9/3+11/12=

b)1/3+1/4=

c)12/15-9/20=

d)9/25-11/100=

e)35/12-28/15=

f)1/4+2/12=

g)3/5+1/10

h)8/5+3/8=

Me ajudem por favor​

Answer 1

Resposta:

a)

$\frac{47}{12}$

b)

$\frac{7}{12}$

c)

$\frac{7}{20}$

d)

$\frac{1}{4}$

e)

$\frac{21}{20}$

f)

$\frac{5}{12}$

g)

$\frac{7}{10}$

h)

$\frac{79}{40}$