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Q: Can you cross multiply when there is an addition or subtraction symbol between the two fractions?

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The relationship between division and subtraction is :Division is repeated subtraction. Also, multiplication is repeated addition.

When you add or subtract fractions you cross multiply and when you multiply or divide fractions you across multiply.

Subtraction is taking away from something, addition is adding to something. The difference between the two is called the spread or the difference of two numbers.

The relationship between addition and subtraction is inverse. We can add two counting numbers together, and we do not need to pay attention to the order of these whole numbers. But, for subtraction, we have to subtract the smallest counting number from the largest counting number.

the inverse of addition is subtraction and the inverse of multiplication is division. Of course, multiplication is just repeated addition so division is just repeated subtraction!

sum is addition difference is subtraction

It is known as BIDMAS (UK) or PEMDAS (US) BIDMAS = Brackets, Index, Division, Multiplication, Addition, Subtraction. or PEMDAS = Parentheses, Exponent, Multiplication, Division, Addition, Subtraction. There is no porder between DM/MD and between AS: Division and multiplication are to be carried out left to right. Addition and subtraction are to be carried out left to right.

a dot between 2 fractions is multiplication also the dot is another symbol to multiply

They have an inverse relationship. 3 + 4 = 7 7 - 4 = 3

Absolute value of the difference? 5 Subtraction? -5 Addition? 1

To find a fraction between any two numbers, multiply the two numbers and divide by two. This way we can find unlimited numbers / fractions between any two fractions/numbers. The other way to find fractions between any two fractions is to divide and multiply both the numbers by 100, or 1000, and make the denominators same. Then the numbers between the two numerators gives all the numbers/fractions between those two numbers. For example, to find 100 fractions between 1 and 2, multiply and divide 1 and 2 by 100. This gives 100/100 and 200/100. Now the in between fractions are 101/100, 102/100, 103/100 upto 199/100. To find more, either multiply by 1000 instead of 100 to get 999 fractions. Or use any two numbers above and repeat the same process. To find fractions between 1.2 and 1.205, multiply and divide both numbers by 10000 This gives 12000/10000, 12050/10000. So the in between fractions are 12001/10000, 12002/10000 and so on till 12049/10000. Convert them to decimal.

It's impossible to list all fractions, because there are no least or greatest fractions. In addition, between any two fractions, there's another fraction (for example, the average of the two functions).

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