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Mathematics 20 Online
OpenStudy (anonymous):

need help -3/5 - 2/-3 ?

OpenStudy (anonymous):

-(3)/(5)-(2)/(-3) Since the numerator and denominator are both negative, remove the minus sign from each. -(3)/(5)+(2)/(3) To add fractions, the denominators must be equal. The denominators can be made equal by finding the least common denominator (LCD). In this case, the LCD is 15. Next, multiply each fraction by a factor of 1 that will create the LCD in each of the fractions. (2)/(3)*(5)/(5)-(3)/(5)*(3)/(3) Complete the multiplication to produce a denominator of 15 in each expression. (10)/(15)-(9)/(15) Combine the numerators of all fractions that have common denominators. (10-9)/(15) Subtract 9 from 10 to get 1. (1)/(15)

OpenStudy (anonymous):

that helped alot,thanks so much !!

OpenStudy (anonymous):

welcome

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