Substract -7 / 9 from -2 / 5

Asked by vaishalivs125 | 14th Jul, 2020, 01:59: PM

Expert Answer:

begin mathsize 16px style
fraction numerator negative 2 over denominator 5 end fraction minus open parentheses fraction numerator negative 7 over denominator 9 end fraction close parentheses
equals fraction numerator negative 2 over denominator 5 end fraction plus 7 over 9
LCM left parenthesis 5 comma 9 right parenthesis space equals space 45
equals fraction numerator negative 2 cross times 9 over denominator 5 cross times 9 end fraction plus fraction numerator 7 cross times 5 over denominator 9 cross times 5 end fraction
equals fraction numerator negative 18 plus 35 over denominator 45 end fraction
equals 17 over 45

end style

Answered by Yasmeen Khan | 14th Jul, 2020, 04:03: PM