Arrange the following in descending order: 1/5, 3/7, 7/10

 1/5, 3/7, 7/10

Solution

We have to arrange the given fractions in descending order

Let us first convert the fractions into fractions by taking LCM

LCM of 5, 7, 10 = 70

Now, Convert the given fractions into an equivalent fraction having 63 as the denominator.

[(1/5) × (14/14)] = (14/70)
[(3/7) × (10/10)] = (30/70)
[(7/10) × (7/7)] = (49/70)
Hence on arranging the like fractions as per the given series we get

14/70, 30/70, 49/70

As per the descending order

(49/70) > (30/70) > (14/70)

Thus,

(7/10) > (3/7) > (1/5)

Answer

Hence, the given fractions in descending order are (7/10) , (3/7) , (1/5)

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