Question

What should be added to-5/7 to get -3/2​

Answer 1

Answer:

let x should be added with -5/7 to get -3/2

x+(-5/7)= (-3/2)

x= -3/2 + 5/7

fraction should be only added if the denominator is same.

for that,we take the LCM of denominator i.e

LCM of 2 and 7 = 14(since 2 and 7 are prime nos,LCM will be their products)

make denominator same as LCM by multiplying respective nos in numerator and denominator of fraction.

therefore,

x= -21/14 +10/14

x= -11/14

so ,(-11/4) should be added to -5/7 to get -3/2

Step-by-step explanation:

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