CPM Homework Help : MC1 Problem 7-73

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7-73.

Find each of the products in parts (a) through (d) below.

$\quad \frac { 2 } { 3 } \cdot \frac { 2 } { 7 }$

Hint (a):
Multiply the numerators together and the denominators together.
Answer (a):
$\frac{4}{21}$

$\quad \frac { 4 } { 7 } \cdot \frac { 3 } { 4 }$

Hint (b):
Since there is a $4$ in the numerator and in the denominator, they make a Giant One.

$\quad \frac { 10 } { 13 } \cdot \frac { 3 } { 5 }$

Hint (c):
Refer to part (a). Remember to simplify your final answer.
Answer (c):
$\frac{6}{13}$

$1 \frac { 2 } { 3 } \cdot \frac { 1 } { 5 }$

Hint (d):
$1\frac{2}{3}\text{ is}\\ \text{ equivalent to }\frac{5}{3}.$

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