when adding two rational numbers tell what the sign of the sum will be if one rational number is positive and one is negative
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The answer is 22 because in order to divide fractions (in this case we would have 11 as a fraction), you need to multiply one fraction by the reciprocal of the other fraction (the flipped form of a fraction).
To find this, we would do *
.
This would come to be , and when simplified by dividing the numerator and denominator by 9, you get 22.