3/10 + 1/5 = 9/30 + 6/30 = 15/30

but it says that it is 0, or 1

the way you typed it ...

3/10 + 1/5 = 15/30 = 1/2

Not 0 , nor 1

thx.

2 1/3 + (-1 1/4)
really need help with this. don't know how to solve

2 1/3 + (-1 1/4)

= 7/3 - 5/4
= 28/12 - 15/12
= 13/12 or 1 1/12

where did you get -5 from?

how do you change the mixed fraction 1 1/4

to an improper fraction?
What grade level is this?

sorry, i understand how to do this now, thx.

To solve the problem correctly, we need to find a common denominator for the fractions before adding them together.

The given fractions are 3/10 and 1/5. To find a common denominator, we need to find the least common multiple (LCM) of the denominators, which in this case is 10 and 5. The LCM of 10 and 5 is 10.

To convert the fractions so that they have a denominator of 10, we need to multiply the numerator and denominator of the first fraction (3/10) by 1 (since 10/10 = 1) and the numerator and denominator of the second fraction (1/5) by 2 (since 2/2 = 1). This gives us:

3/10 * 1/1 = 3/10
1/5 * 2/2 = 2/10

Now, both fractions have a denominator of 10, so we can add them together:

3/10 + 2/10 = 5/10

Finally, we can simplify the fraction 5/10 by dividing both the numerator and denominator by their greatest common divisor (GCD), which is 5 in this case:

5/10 รท 5/5 = 1/2

Therefore, the correct answer is 1/2, not 15/30. It seems there was a mistake in your calculation.