Question

please help fractions.
Add the following.
a. 1/5 + 3/20
b. 7/10 + 11/5
please step by step explain
Add the fractions​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

to add unlike fractions we have to make the denominator of fractions like by taking LCM and then will multiply rhe numerator by the no. with which denominator is multiplied to convert it into lcm .

$\frac{1}{5} + \frac{3}{20} \\ \\ lcm \: of \: 5 \: and \: 20 \: is \: 20 \\ \\ \frac{4(1)}{20} + \frac{3}{20} = \frac{7}{20} \\ \\ \\ \\ \frac{7}{10} + \frac{11}{5} \\ \\ lcm \: of \: 10 \: and \: 5 \: is \: 10 \\ \\ \frac{7}{10} + \frac{2(11)}{10} = \frac{29}{10}$