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Q: How are adding with 0 and multiplying with 1 alike?
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How are adding 0 and multiplying by 1 alike?

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How is multiplying fractions by a whole number is different from adding adding and subtracting fractions with like denominators?

Adding and subtracting fractions can ONLY be done if the denominators are the same; then the calculation is done by adding or subtracting the numerators. Multiplying (and dividing) fractions does not require the denominators to be the same. To divide by a fraction the divisor is inverted (the original numerator becomes the new denominator and the original denominator becomes the new numerator) and then the fractions are multiplied. Multiplying fractions is achieved by multiplying the numerators together AND multiplying the denominators together. A whole number is the same as a fraction with the whole number as the numerator and a denominator of 1, so when multiplying by a whole number the denominator is multiplied by 1 (leaving it the same) and the is multiplication is effectively just multiplying the numerator by the whole number.


1 multiply 5 plus 2?

1 multiplied by 5 plus 2 equals 7. This is because you are multiplying 1 into 5 and then adding 2.


What is the word you call adding subtracting multiplying and dividing?

That would be called the operations.


What is the missing number pattern 2 blank 5 blank 14 blank 122?

The missing numbers in the pattern can be found by multiplying the first number by 2, then adding 1 to get the second number, multiplying the second number by 2 and subtracting 1 to get the third number, and so on. Therefore, the missing numbers are 7 and 61.