(3/10) - (1/5) = (1/10)
Step-by-step explanation:
Make sure both fractions have the same denominator. 1/5 would turn into 2/10, and 3/10 would stay the same. When the denominators are equal, subtract the numerators to get the answer.
1/5 = 2/10
(3/10) - (2/10) = (1/10)