Question

what number should be added to 4/7 to get 1/2 ? ​

Answer 1

Step-by-step explanation:

Rather, disasters reflect people's vulnerability or their susceptibility to be affected when confronted with floods, cyclones, volcanic eruptions, landslides, or other potentially harmful natural phenomena. Yet, those who suffer from disasters are not helpless victims.

Answer 2

the required number be x.
According to the question,
⇒
12
7
​
+x=
15
−4
​


⇒ x=
15
−4
​
−
12
7
​

L.C.M of 15 and 12 is 60

⇒ x=
15×4
−4×4
​
−
12×5
7×5
​


⇒ x=
60
−16
​
−
60
35
​


⇒ x=
60
−16−35
​


⇒ x=
60
−51
​


∴ x=
20
−17
​


∴
20
−17
​
should be added to
12
7
​
to get
15
−4
​
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