Question

please answer my question pls don't post irrelevant answers it will be reported ​

Answer 1

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Step-by-step explanation:

a.

$5 \frac{3}{4} = \frac{5 \times 4 + 3}{4} = \frac{23}{4}$

b.

$2 \frac{1}{7} = \frac{7 \times 2 + 1}{7} = \frac{15}{7}$

c.

$1 \frac{3}{4} = \frac{4 \times 1 + 3}{4} = \frac{7}{4}$