Question

how to add rational number 11 upon 17 and 13 upon 19​

Answer 1

Answer:

11/17+13/19

=lcm of 17 and 19 is =323

so now ,

11×19+13×17/323

209+221/323

430/323

Answer 2

Answer:

41 Find the Least Common Denominator (LCD) of \frac{11}{17},\frac{13}{19}

17

11

,

19

13

. In other words, find the Least Common Multiple (LCM) of 17,1917,19.

LCD = 323323

2 Make the denominators the same as the LCD.

\frac{11\times 19}{17\times 19}+\frac{13\times 17}{19\times 17}

17×19

11×19

+

19×17

13×17

3 Simplify. Denominators are now the same.

\frac{209}{323}+\frac{221}{323}

323

209

+

323

221

4 Join the denominators.

\frac{209+221}{323}

323

209+221

5 Simplify.

\frac{430}{323}

323

430

6 Convert to mixed fraction.

1\frac{107}{323}

1

323

107

Done

Decimal Form: 1.33126930