solve

14×7×3=7+(-4+7)×37


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2 thoughts on “solve<br /><br />14×7×3=7+(-4+7)×37<br /><br /><br />no spam<br />need correct answer​”

1. Answer:

   Question 1:

   Solve:

   (i) 2 – 3/5 (ii) 4 + 7/8 (iii) 3/5 + 2/7 (iv) 9/11 – 4/15 (v) 7/10 + 2/5 + 3/2

   (vi) 2 + 3 (vii) 8 – 3

   Answer:

   (i) 2 – 3/5 = 2/1 – 3/5

   = (2 * 5 – 3 * 1)/5 [LCM (1, 5) = 5]

   = (10 – 3)/5

   = 7/5

   = 1

   (ii) 4 + 7/8 = 4/1 + 7/8

   = (4 * 8 + 7)/8 [LCM (1, 8) = 8]

   = (32 + 7)/8

   = 39/8

   = 4

   (iii) 3/5 + 2/7 = (3 * 7 + 2 * 5)/35 [LCM (7, 5) = 35]

   = (21 + 10)/35

   = 31/35

   (iv) 9/11 – 4/15 = (9 * 15 – 4 * 11)/165 [LCM (11, 15) = 165]

   = (135 – 44)/165

   = 91/165

   (v) 7/10 + 2/5 + 3/2 = (7 * 1 + 2 * 2 + 3 * 5)/10

   = (7 + 4 + 15)/10

   = 26/10 [26 and 10 are divided by 2]

   = 13/5

   = 2

   (vi) 2 + 3 = 8/3 + 7/2

   = (8 * 2 + 7 * 3)/6 [LCM (2, 3) = 6]

   = (16 + 21)/6

   = 37/6

   = 6

   (vii) 8 – 3 = 17/2 – 29/8

   = (17 * 4 – 29 * 1)/8 [LCM (2, 8) = 8]

   = (68 – 19)/8

   = 39/8

   = 4

   Question 2:

   Arrange the following in descending order:

   (i) 2/9, 2/3, 8/21 (ii) 1/5, 3/7, 7/10

   Answer:

   (i) 2/9, 2/3, 8/21 = (2 * 7, 2 * 21, 8 * 3)/63 [LCM (9, 3, 21) = 63]

   = (14, 42, 24)/63

   = 14/63, 42/63, 24/63

   Now, 42/63, 24/63, 14/63 [Arrange in descending order]

   So, 2/3, 8/21, 2/9

   (ii) 1/5, 3/7, 7/10 = (1 * 14, 3 * 10, 7 * 7)/70

   = (14, 30, 49)/70

   = 14/70, 30/70, 49/70

   Now, 49/70, 30/70, 14/70 [Arrange in descending order]

   So, 7/10, 3/7, 1/5

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2. Answer:

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