Here's the step-by-step solution for 1/5 + 2/5.
The answer is 3/5 (equals 0.6 as a decimal).
To add fractions, find a common denominator, convert both fractions, then add the numerators.
The least common multiple (LCM) of 5 and 5 is 5.
Convert both fractions to have denominator 5:
Now add the numerators: 1 + 2 = 3