We have hundreds of course questions with personalized recommendations + Account 100% premium
To solve the problem 98 - 45, we'll apply a step-by-step subtraction method:
First, align the numbers:
98 - 45 -----
Now, subtract starting from the rightmost digits (ones place):
Therefore, the total difference is 53.
Thus, the solution to the problem is .
If we have 67 blocks in total, how many blocks will remain if we remove 5 tens and 4 ones?
When the top digit is smaller than the bottom digit, you borrow 10 from the next column to the left. For example, in 52 - 37, you'd borrow from the 5 to make 12 - 7 in the ones place.
Lining up numbers by place value ensures you're subtracting ones from ones and tens from tens. This prevents mixing up digits and getting wrong answers.
Use addition to check subtraction! Add your answer to the number you subtracted. If you get the original number, you're right: ✓
Order matters in subtraction! 98 - 45 = 53, but 45 - 98 would give you a negative number (-53). Always subtract the second number from the first.
Yes! You can think: 98 - 40 = 58, then 58 - 5 = 53. But writing it out helps prevent errors, especially with larger numbers or when borrowing is needed.
Get unlimited access to all 18 Natural Numbers around 100 questions, detailed video solutions, and personalized progress tracking.
Unlimited Video Solutions
Step-by-step explanations for every problem
Progress Analytics
Track your mastery across all topics
Ad-Free Learning
Focus on math without distractions
No credit card required • Cancel anytime