Question

Add : 7/10 + 9/20
This is a question from rational number chapter

Answer 1

Answer:

LCM of 10 and 20 is 20 so, 14+9/20=23/20 ANS...

I hope this is helpful for you..

Answer 2

$\large{\red{\bold{\underline{Solution:}}}}$

$\rightarrow \: \sf \: \frac{7}{10} + \frac{9}{20} \\ \\ \rightarrow \: \sf \: \frac{7 \times 2}{10 \times 2} + \frac{9 \times 1}{20} \\ \\ \rightarrow \: \sf \: \frac{14 + 9}{20} \\ \\ \rightarrow \: \sf \: \frac{23}{20}$

$\large{\green{\bold{\underline{Hence:}}}} \\ \\ \sf \: Answers \: is \: 23/20.$