Question

1/2+1/4+1/5 is how much??
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Answer 1

Answer:

1/2+1/4+1/5

take 1 as common

Answer 2

Answer:

$\frac{1}{2} + \frac{1}{4} + \frac{1}{5} \\ \\ \\ lcm \: of \: 2.4.5 = 2 \times 2 \times 5 = 20 \\ \frac{1}{2} \times \frac{10}{10} = \frac{10}{20} \\ \frac{1}{4} \times \frac{5}{5} = \frac{5}{20} \\ \frac{1}{5} \times \frac{4}{4} = \frac{4}{20} \\ \frac{10}{20} + \frac{5}{20} + \frac{4}{20} = \frac{19}{20}$