How do you compare fractions with different denominators?

How do you compare fractions with different denominators?

To compare fractions with unlike denominators, you need to find the least common denominator (LCD), or the smallest multiple the denominators share. So what fraction of your favorite candy bar would be more: 2/3 or 4/5? The two fractions have different denominators, so we need to find the LCD.

What are two ways to compare fractions?

There are two main ways to compare fractions: using decimals, or using the same denominator.

How do you teach comparing fractions?

If you compare two fractions, and 1 is more than 1/2 and the other is less than 1/2, then the fraction that is more than 1/2 is greater than the fraction that is less than 1/2. If you compare two fractions and they both are less than 1/2 or more than 1/2, draw a model of both fractions to compare them.

How do you determine which fraction is greater?

If the denominators are the same, then the fraction with the greater numerator is the greater fraction. The fraction with the lesser numerator is the lesser fraction. And, as noted above, if the numerators are equal, the fractions are equivalent. Use < or > to compare the two fractions and .

How do you help students compare fractions?

1. Explain that number lines can help to compare fractions. Have students look at their number lines and point to the beginning point, the ending point, and the fractions in between. Talk about how equivalent fractions (such as 1/2 and 2/4) are labeled on the number line.

How do I convert fractions?

How to convert fractions to decimals

1. In fractions, the numerator is the number above the line and the denominator is the number below.
2. The line in a fraction that separates the numerator and the denominator represents division.
3. To convert a fraction to a decimal, divide the numerator by the denominator.

What fraction is bigger 1/4 or 1 3?

Now that these fractions have been converted to decimal format, we can compare the numbers to get our answer. 0.3333 is greater than 0.25 which also means that 1/3 is greater than 1/4.

Which is the greatest fraction?

When ordering fractions with the same denominators, look at the numerators and compare them 2 at a time. 👉The fraction with the smallest numerator is the smallest. 👉The fraction with the largest numerator is the biggest.

Why do students need to know how do you compare fractions?

Using representations to compare fractions help students develop their number sense about fraction size. This awareness helps them to understand the strategies they use to compare whole numbers do not necessarily compare to fractions (1/2 is greater than 1/6 even though the whole number 6 is greater than 2).

How do you teach comparing and ordering fractions?

When comparing and ordering fractions, you must have a common denominator. After you find a common denominator, you can simply compare the numerators of the fractions. If the fraction also includes a whole number, you would compare the whole number before finding the common denominator.

What is 12% as a fraction?

Answer: 12% can be represented as 3/25 as a fraction. Step 1: Express the given number in percentage as a fraction by dividing it by 100. Hence, we can write 12% as 12/100.

What are some tricks to compare fractions?

How to Compare Fractions If you have mixed numbers convert them to improper fractions Find the lowest common denominator ( LCD) for the fractions Convert each fraction into its equivalent with the LCD in the denominator Compare fractions: If denominators are the same you can compare the numerators. The fraction with the bigger numerator is the larger fraction.

How do you compare fractions with a common denominator?

Many fractions can be compared by visualizing them, or you may compare by writing each fraction over a common denominator. Fractions written with the same denominator are known as like fractions. If fractions are unlike, or have different denominators, you may make them like by writing over a common denominator.

How do you do multiply fractions?

There are 3 simple steps to multiply fractions. 1. Multiply the top numbers (the numerators). 2. Multiply the bottom numbers (the denominators). 3. Simplify the fraction if needed.

Which fraction is smaller?

Here’s how to reduce a fraction: Break down both the numerator (top number) and denominator (bottom number) into their prime factors. For example,… Cross out any common factors. In this example, you cross out a 2 and a 3, because they’re common factors – that is, they… Multiply the remaining