Solve the Subtraction: Finding the Difference Between 140 and 70

140−70= 140-70=

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:04 Let's solve a math problem together!
00:07 First, we'll use the distributive law.
00:11 Let's break down one hundred forty, into one hundred, plus forty.
00:20 Now, we'll use the commutative law, to rearrange and make it easier.
00:26 Remember to follow the order of operations, from left to right.
00:35 And that's how we find the solution! Great job!

Step-by-step written solution

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1

Understand the problem

140−70= 140-70=

2

Step-by-step solution

In order to simplify the resolution process, we begin by using the distributive property for 140:

100+40−70= 100+40-70=

We then rearrange the exercise using the substitution property into a more practical form:

100−70+40= 100-70+40=

Lastly we solve the exercise from left to right:

100−70=30 100-70=30

30+40=70 30+40=70

3

Final Answer

70

Practice Quiz

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\( 140-70= \)

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