Answer:
4/10 or if you need it simplified it will be 2/5
Explanation:
9/10 - 1/2
Least common multiple of 10 and 2 is 10. Convert 9/10 and 1/2 to fractions with denominator 10.
9/10 - 5/10
Since 9/10 and 5/10 have the same denominator, subtract them by subtracting their numerators.
9-5/10
Subtract 5 from 9 to get 4.
4/10
Reduce the fraction 4/10 to lowest terms by extracting and canceling out 2.
After doing the steps you should get 2/5 as your answer :)
HOPE THIS HELPED