Question

Compare the given ratios b) 3:7 and 5: 9​

Answer 1

Answer:

Solution

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In two or more ratios, wherever the numerator and denominator differs by one,

the ratio with higher numerator is always the greater one.

7:8=

8

7

=0.875

2:3=

3

2

=0.67

∴

8

7

>

3

2

(This is not the questions answer but hope this helps you)

Step-by-step explanation:

Step I: Obtain the given ratios.

Step II: Now we express each of the given ratios as a fraction in the simplest form.

Step III: Find the L.C.M (least common multiple) of the denominators of the fractions obtained in the above step (Step II).

Step IV: Obtain the first fraction and its denominator. Divide the L.C.M (least common multiple) obtained in the above step (Step III) by the denominator to get a number z (say).

Now, multiply the numerator and denominator of the fraction by the z (L.C.M). Similarly apply the same procedure to the all other fraction.

In other words convert each fraction to its equivalent fractions with denominator equal to the L.C.M (least common multiple).

Thus, the denominators of all the fractions are be same.

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Answer 2

3:7 = 27:63

5:9 = 35:63

Since 35:63 is bigger than 27:63, 5:9 will also be smaller than 3:7.

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