Question

add the fraction -2/3,1/10,7/5​

Answer 1

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✳ Add the fraction: -2/3,1/10,7/5

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Your answer

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➨ - 2/3 + 1/10 + 7/5

✍ First find the L. C. M of the denominators

i.e L. C. M of 3,10,5

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We will get the L. C. M = 30

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☆Then taking the denominator as 30 we will divide the first denominator and multiply to its numerator.

i.e, 30/3 =10 and 10 x - 2 = - 20

☆Again, dividing the second denominator by 30 and multiply it to its numerator.

i.e, 30/10 = 3 and 3 x 1 = 3

☆Again, dividing the third denominator by 30 and multiply to its numerator.

i.e, 30/5 = 6 and 6 x 7 = 42

✳Then, add the results taking denominator as 30.

i.e, (- 20 + 3 + 42) / 30

⠀ ➨ (45 - 20) / 30

⠀ ➨ 25 / 30

✏We will change 25/30 in standard form.

i.e, 25/30, here both are the factor of 5, then the standard form will be 5/6

∴ 5/6 is your answer.

Answer 2

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$\red{ \frac{ - 2}{3} + \frac{1}{10} + \frac{7}{5} } \\ \\ \purple{ = \frac{ - 20 + 3 + 42}{30} } \\ \\ \blue{ = \frac{25}{30} } \\ \\ \green{ = \frac{5}{6} }$

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