Answer:
Explanation:
The expression "15/18 - 7/36" can be simplified as follows:
Step 1: Find a common denominator for the two fractions. In this case, the least common denominator is 36.
Step 2: Convert both fractions to have a denominator of 36.
15/18 can be converted to 30/36 by multiplying both the numerator and denominator by 2.
7/36 can be expressed as 7/36.
Step 3: Subtract the two fractions to simplify the expression:
30/36 - 7/36 = 23/36
So the expression simplifies to 23/36.