421−232=
To solve this problem, we'll first convert each mixed number to an improper fraction, find a common denominator, subtract the fractions, and then convert back to a mixed number.
Step 1: Convert the mixed numbers to improper fractions.
- becomes
- becomes
Step 2: Find a common denominator for the two fractions.
- The denominators are 2 and 3; the least common denominator is .
Step 3: Convert each fraction to have this common denominator.
-
-
Step 4: Subtract the fractions.
-
Step 5: Convert the result back to a mixed number.
- as a mixed number is .
Therefore, the solution to the problem is .