how to add rational number 11 upon 17 and 13 upon 19
Answers
Answered by
17
Answer:
11/17+13/19
=lcm of 17 and 19 is =323
so now ,
11×19+13×17/323
209+221/323
430/323
Answered by
0
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
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