Question

what should be added to 9 1/6 to make it 11 2/7​

Answer 1

Answer:

answer is 5

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Answer 2

Answer:

$\frac{89}{42} \: or \: 2 \frac{5}{42}$

Step-by-step explanation:

Let the number be x

$9 \frac{1}{6} + x = 11 \frac{2}{7}$

$x = 11\frac{2}{7} - 9\frac{1}{6}$

$x = \frac{7 \times 11 + 2}{7} - \frac{6 \times 9 + 1}{6}$

$x = \frac{79}{7} - \frac{55}{6}$

LCM of 7 and 6 = 42

$x = \frac{79 \times 6}{7 \times 6} - \frac{55 \times 7}{6 \times 7}$

$x = \frac{474}{42} - \frac{385}{42}$

$x = \frac{89}{42}$

$x = \frac{89}{42} \: or \: 2 \frac{5}{42}$

Hope it helps you