Question

arrange in descending oder :-7/10
,8/-15 ,19/30 ,-2/-5
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Answer 1

Step-by-step explanation:

-7/10, 8/-15, 19/30, -2/-5

Solution :-

8/-15 = 8 × (-1) / (-15) × (-1) = -8/15

-2/-5 = 2/5

The L.C.M of denominators is 60

-7 × 6 / 10 × 6 = -42/60

-8 × 4 / 15 × 4 = -32/60

19 × 2 / 30 × 2 = 38/60

2 × 12 / 5 × 12 = 24/60

Then, 38/60 > 24/60 > -32/60 > -42/60

Answer) 19/30, -2/-5, 8/-15, -7/10

Answer 2

Answer:

DESCENDING ORDER:

-7/10 < 8/-15 < -2/-5 < 19/30

Step-by-step explanation:

-7/10 , -8/15 , 19/30 , 2/5 (-2/-5 = 2/5)

L.C.M = 30

-7×3/10×3 = -21/30

-8×2/15×2 = -16/30

19×1/30×1 = 19/30

2×6/5×6 = 12/30

-21/30 , -16/30 , 19/30 , 12/30

DESCENDING ORDER:

-21/30 <-16/30 < 12/30 < 19/30

-7/10 < 8/-15 < -2/-5 < 19/30

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