The value of 0.2 can be rewritten as a fraction or:
2/10
The value of 0.4 can be also rewritten as another fraction or:
4/10
Since they are fraction with the same denominator, we can sum their numerators as follows:
(2/10) + (4/10) = (2 + 4)/ 10 = 6/10
We can simplify the fraction dividing the numerator and denominator by 2.
So, the final result is
ca
