Question

What fraction of 4/7mustbe added to itself make the sum 15/14

Answer 1

Answer:

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Step-by-step explanation:

Let the fraction be p.

∴ 4p/7 + 4/7 = 15/14

⇒ 4p/7 = 15/14 - 4/7

⇒ 4p/7 = 15-8/14

⇒ 4p/7 = 1/2

⇒ p = 1/2*7/4 = 7/8

Answer 2

Answer:

Let the fraction be p.

∴ 4p/7 + 4/7 = 15/14

⇒ 4p/7 = 15/14 - 4/7

⇒ 4p/7 = 15-8/14

⇒ 4p/7 = 1/2

⇒ p = 1/2*7/4 = 7/8

Step-by-step explanation: