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Question

"Solve:
(a ) <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> 23 + <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> 34 + <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> 12

(b) 423 + 3 <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> 14

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->

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Solution

(a) 23 + <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> 34 + <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> 12
LCM of 3, 4 and 2 = 12

2×43×4 + <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> 3×34×3 + <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> 1×62×6

= 812 + <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> 912 + <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> 612

= 8+9+612

= 2312

(b) 423 + 3 <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> 14

= 143 + 134

LCM of 3 and 4 = 12

14×43×4 + 13×34×3

= 5612 + 3912

= 9512 = 71112

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