Question

como se resolve as operações a ,b,c e b acima​

Answer 1

A)3/10 + 2/5

= 3/10 + 4/10

= 3 + 4/10

= 7/10

(Decimal 0.7)

b)2 + 5/12

= 2/1 + 5/12

= 24/12 + 5/12

= 24 + 5/12

= 29/12

(Decimal: 2.416667)

c)1/3 + 5/12 + 10/15

= 3/4 + 10/15

= 3/4 + 2/3

= 17/12