Question

Which number is not equivalent to -15/21
Options
A 10/14
B -5/7
C -45/63
D -75/105

Answer 1

Answer:

option A 10/15

Step-by-step explanation:

-15/21=-5/7

10/14=5/7(not equal to -5/7)

-75/105 =-5/7 (eqal to -5/7)

-45/63 =-5/7 (equal)

so the ans is option A 10/14

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Answer 2

Answer:

Step-by-step explanation:

given question=-15/21

option a= 10/14[it is not equal to -15/21 because it is totally positive]

option b= -5/7[it is equal to -15/21 because it is divided by 3]

option c= -45/63[it is equal to -15/21 because it is multiplied with 3]

option d=-75/105[it is equal to -15/21 because it is multiplied with 5].