-1/4 - (-3/5)

1 answer

To subtract fractions, we need to find a common denominator.

In this case, the least common multiple of 4 and 5 is 20.

-1/4 = -5/20
-(-3/5) = 3/5

Now, we can subtract the fractions:

-5/20 - 3/5 = -5/20 - 12/20 = -17/20

Therefore, -1/4 - (-3/5) = -17/20.