Answer:
2 7/10 or 2.7
Explanation:
I made both fractions into improper fractions which makes 9/2 and 18/10. Then multiplied numerator and denominator by 5 to make 9/2 into 45/10. so now 45/10 minus 18/10 equals 27/10 and in a mixed number, it would be 2 7/10.