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KS3

Algebra

Question

What is 5 times 1/4?

2 years ago

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202 Replies

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8790 views

M

Maximillia Lueilwitz


202 Answers

P
Patrick Mather

The answer to 5 times 0.25 is 1.25

O
Okonkwo Chisom

5 x 1/4 = 5/1 x 1/4 = 5/4 = 1.25

A
Aysha Namazi

firstly, convert the 5 into a fraction and place it over 1(so now it will be 5/1). Then, times the numerators by each other (5x1) (4x1). The answer is 5/4.

G
Gideon Effiong

1/4 can be equally expressed as 0.25.

5x0.25 equals 1.25

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When multiplying by a fraction, you should divide by the denominator and times by the numerator. In this case that would be 5 divided by 4 times by 1 which is 1.25.

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So you would need to times 5( which is the same as 5/1) with the fraction 1/4, to multiply fractions, you need to multiply both numerators and denominators. So that would be, (5*1)/(1*4) which is 5/4 or in mixed fractions, a whole and a quarter.

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5*1/4

You can convert 5 to (5/1). Thus you will have (5/1)*(1/4). Multiply the numerators and denominators to derive (5*1)/(1*4)=5/4. This can further be written as 1.25.

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5/4, which is the same as 1 and 1/4

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In decimals, the answer is 1.25, or as a fraction, the answer is 1 1/4

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So 5*1/4 you will need to times 5 by the top of the fraction so 1*5 =5 so the new fraction work be 5/4 then if you divide 5 by 4 you would get 1 with a reminder of 1 which would go back on the fraction so the answer would be 1 1/4

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5 x 1/4 = 1.25. This would be the answer in a decimal format. You can think about this question as 'what is 1/4 of 5' as the multiplication sign can be considered as replacing the word 'of' here. So, half of 5 is 2.5 and half of 2.5 is 1.25 (if you half something and then half it again, it is the same as taking a quarter - think about when you cut a cake)

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The simplest way to do this would be to first convert the fraction into a decimal, to do that we need to divide the denominator by the numerator, in this case 1 divided by 4. The answer is now 0.25, now you can multiply the answer by 5, giving us 1.25 or 1 1/4.

I hope that is helpful.

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Philip H

I would write the answer as 5/4. Fractions are your friends!


The easiest way to solve this is to use a calculator:


1). Click the "5" and the "x" (times) buttons.

2). Then click the fraction button. This looks like a rectangle above a rectangle. On my calculator it's below the "Abs" button.

3). Now enter "1" and "4" in the fraction. You might need to use the arrow keys to navigate to the top and bottom of the fraction.

4). Press "="


You can press the "S <=> D" button to convert your answer into a decimal.

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When you are multiplying a whole number by a fraction, you can do the following steps:


Multiply the whole number by the top of fraction

5 x 1 = 5

Then divide your answer by the bottom of the fraction

5/4 = 5/4.


In this case 4 does not divide into 5 evenly so can leave as a fraction (unless the question says otherwise).

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Preksha Jain

The answer is 1 1/4 or 5/4

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