Question

1. choose a common denominator for 3/7 and 1/6 *

options: 7, 6, 36, 42

1. find the sum of 1/4 + 3/8 *

options: 4/4, 5/8, 4/8, 4/12

Explanation:

(Question 8):

Step1: Identify denominators

Denominators are 7 and 6.

Step2: Find least common multiple

$7 \times 6 = 42$, since 7 and 6 are coprime.

(Question 9):

Step1: Convert to common denominator

Rewrite $\frac{1}{4}$ as $\frac{2}{8}$

Step2: Add the fractions

$\frac{2}{8} + \frac{3}{8} = \frac{5}{8}$

Answer:

1. 42
2. 5/8