Math, asked by robinpriya44082, 5 months ago

Step by step explanation for all these questions first answer will be marked brainliest

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Answered by SamVarghese
1

1) (3/4 - 5/8) + 1/2

lcm of 4 and 8 = 8

3/4 ×2/2 = 6/8

(6/8 - 5/8) + 1/2

(6 -5) + 1/2

8

= 1/8 + 1/2

= 1 + 4

8

ans = 5/8

2) (a) -20/12 and 5/3

-20/12 = - 5/3

-5/3 is not equal to 5/3

The pair is not equivalent

(b) 16/-30 and -8/15

16/-30 = -8/15

-8/15 is equal to -8/15

The pair is equivalent

(c) -18/36 and -20/44

-18/36 = -1/2

-20/44 = - 5/11

-1/2 is not equal to -5/11

The pair is not equivalent

so the answer is (b)

(3) Lcm of 24, 18, 8, 32 is 96

-17/24 × 4/4 = -68/96

-13/16 × 6/6 = - 78/96

-7/8 × 12/12 = - 84/96

-31/32 × 3/3 = - -93/96

-68/96 > -78/96 > -84/96 > -93/96

-17/24 > -13/16 > -7/8 > -31/32

so -17/24 is the greatest

(4) 3/4 × (5/8 ÷ 1/2)

3/4 × (5/8 × 2)

3/4 × 10/8 = 15/16

as per the question the answer is 15/16

Hope this helps. Please mark me as brainliest

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