Solve Vertical Subtraction: 35 minus 7 Step-by-Step

35−  7776‾ \begin{aligned} &35 \\ -& \\ &~~7 \\ &\underline{\phantom{776}} & \\ \end{aligned}

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:03 Let's solve a math problem together.
00:07 First, we'll look at subtracting two-digit numbers.
00:10 Notice that 5 is less than 7, which is important.
00:14 So, we need to borrow 1 from the tens, adding 10 to the ones.
00:20 Now, 5 becomes 15, making it easier to subtract.
00:29 Subtract 7 from 15, and put the result in the ones place.
00:34 If any digits are missing, fill them with zero.
00:38 Next, subtract the tens from the tens.
00:42 Place this result in the tens place.
00:45 And that's how we solve this subtraction problem!

Step-by-step written solution

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1

Understand the problem

35−  7776‾ \begin{aligned} &35 \\ -& \\ &~~7 \\ &\underline{\phantom{776}} & \\ \end{aligned}

2

Step-by-step solution

To solve this problem, follow these steps:

  • Step 1: Write the numbers vertically with 35 on top and 7 underneath. Align them by their rightmost digits.
  • Step 2: Start subtracting the rightmost digit (units place). Subtract 7 from 5.
  • Step 3: Since 5 is smaller than 7, we need to regroup. We take 1 ten from the tens place, turning 35 into 25 and 15.
  • Step 4: Subtract 7 from 15 in the units place, which gives us 8.
  • Step 5: Move to the tens place. After regrouping, 25 has a digit of 2 in the tens place. Subtract 0 from 2, which remains 2.

The result of the subtraction is 28 28 .

Therefore, the correct answer is 28.

3

Final Answer

28

Practice Quiz

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\( \begin{aligned} &105 \\ -& \\ &~~~~3 \\ &\underline{\phantom{776}} & \\ \end{aligned} \)

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