Compare the size of 1 2, 1 3, 1 4

This question is related to the comparison of scores and negative numbers, which is more difficult and confusing.

First of all, students should pay attention to comparing the size of 1/2, 1/3, and 1/4. According to the basic law of comparison of fractions, the numerator is the same, and the denominator.

The higher the score, the smaller the fraction value. So, "1 in 2", "1 in 3", "1 in 4".

But due to the comparison of negative values, the absolute value of negative numbers.

The larger, the smaller the negative number. So, -2 < -3 in 1. And, all positive values are greater than negative values, so 4 out of 4 is the largest of the three numbers.

To sum up, it is 1 in 4 "- 1 in 3" - 1 in 2.

The explanation is a bit verbose, I hope you can understand it! If there is anything unclear, then continue to ask!

The quarter is the largest positive number, and the half is greater than one-third, so the negative half is less than the negative third;

A quarter is greater than minus a third is greater than a minus half.

1 4 is a positive number, of course the largest. -1 2 and -1 3 are both negative numbers, and the big absolute value is small, so -1 3 >-1 2.

In summary, 1 4>-1 3>-1 2

1/2 -1/3 1/4

If you don't understand, you can draw an axis, take an origin o, the positive one on the right, and the negative one on the left, respectively, take one-half, one-third, and one-quarter.

Then increase from left to right.

1/4 - 1/3 2.

I hope I can help you, if you don't understand, please ask, understand, thank you.

1/2 -1/3 1/4

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People on the phone, this also asks. You have a lot of wealth, give it to me.

> > 1 >-2 and a quarter > two and a third

2 3=10 15

3 clump spike 5 = 9 15

Because 10 15> 9 15

So 2 3 > 3 5

So Dan sedan -2 3

The first pass is 7 4 - 12 21

For 14 defeat 21 > the withered dust 12 21

So Meditation 7 4

3/4 is greater than 2/3.

Analysis: 3/4 and 2/3 are divided. Unify the denominator and then compare the numerators. When the denominator is the same, the larger the numerator, the larger the value. When the numerator is the same, the larger the denominator, the smaller the value.

First, find out the least common multiple of the denominator 4 and the denominator 3. 3×4=123/4=(3×3）/(4×3）=9/12

9 12 is greater than 8 12

So: 3/4 is greater than 2/3.

3/4 = 9/12

2/3 = 8/12

So 3/4 2/3

According to the order in which you say the data, it is sorted from small to large.

One in two, less than two-thirds, less than three-quarters, less than five-sixths.

Solution: 1/2 = 2/4

3/4 2/4

So: 3/4 1/2

The score is relatively large, and the score must be passed first.

The least common multiple of 2 and 4 is 4, so the denominator of the score after the pass is 4