Answer:

Step-by-step explanation:

Multiply the numerators for the numerator , and multiply the denominators for its denominator and reduce the fraction obtained after Multiplication into lowest term



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They each have $42 because 7 times 6 is 42 and combined they have $84 because 42 + 42=84.
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Zero commutative<span>property of multiplication. </span>The zero commutative property of multiplication states that when any number is multiplied by 0 the result is always zero