Find Common Denominator: Find a common denominator for the fractions−53 and 31. The common denominator for 5 and 3 is 15, so we will convert both fractions to have a denominator of 15.
Convert to Denominator 15: Convert each fraction to an equivalent fraction with a denominator of 15. For −53, we multiply the numerator and denominator by 3 to get −159. For 31, we multiply the numerator and denominator by 5 to get 155.
Add Fractions: Add the two fractions with the common denominator.−159+155=15−9+5
Perform Addition: Perform the addition in the numerator.−9+5=−4So, the combined fraction is −154.
Check for Simplification: Check if the fraction can be simplified further.The fraction −154 cannot be simplified further because 4 and 15 have no common factors other than 1.
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