the answer is 9/50 . first find the common denominator which will be 100 . so you multiply 10 to the numerator ans the denominator of 1/10 to get 10/100 now you have to add 8/100+10/100= 18/100 you're not done yet because now you have to simplify your answer. all you have to do is divide both by 2 to get 18/2=9 and 100/2=50 so your answer is 9/50
to add two fractions you have to make the fractions a one denominator. in this question you can multiply the denominator and numerator of 1/10 by 10 to match the denominators,
