How do you simplify \frac { 35} { 49} + ( - \frac { 11} { 7} )3549+(117)?

2 Answers
Sep 25, 2017

Find a common denominator add algebraically and simplify.

Explanation:

The common denominator between 49 and 7 is 49

Multiplying by 7/7 will create a common denominator

( - 11/7) xx 7/7 = -77/49(117)×77=7749

Adding the two fractions with the same denominator

35/ 49 + - 77/49 = - 42/49 3549+7749=4249

Dividing both sides by 7 gives

(-42/7)/ (49/7) = -6/7427497=67

Sep 25, 2017

color(magenta)(-6/767

Explanation:

35/49+(-11/7)3549+(117)

:.=35/49-11/7

:.=(35-77)/49

:.=(-cancel42)^6/cancel(49)^7

:.color(magenta)(=-6/7